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  3. The health-care economy is filled with unusual and even unique economic relationships. One of the least understood involves the

The health-care economy is filled with unusual and even unique economic relationships. One of the least understood involves the

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问题     The health-care economy is filled with unusual and even unique economic relationships. One of the least understood involves the peculiar roles of producer or "provider" and purchaser or "consumer" in the typical doctor-patient relationship. In most sectors of the economy, it is the seller who attempts to attract a potential buyer with various inducements of price, quality, and utility, and it is the buyer who makes the decision. Such condition, however, does not prevail in most of the health-care industry.
    In the health-care industry, the doctor-patient relationship is the mirror image of the ordinary relationship between producer and consumer. Once an individual has chosen to see a physician—and even then there may be no real choice—it is the physician who usually makes all significant purchasing decisions: whether the patient should return "next Wednesday", whether X-rays are needed, whether drugs should be prescribed, etc. It is a rare and sophisticated patient who will challenge such professional decisions or raise in advance questions about price, especially when the disease is regarded as serious.
    This is particularly significant in relation to hospital care. The physician must certify the need for hospitalization, determine what procedures will be performed, and announce when the patient may be discharged. The patient may be consulted about some of these decisions, but in the main it is the doctor’s judgments that are final. Little wonder then that in the eye of the hospital it is the physician who is the real "consumer." As a consequence, the medical staff represents the "power center" in hospital policy and decision-making, not the administration.
    Although usually there are in this situation four identifiable participants—the physician, the hospital, the patient, and the payer (generally an insurance carrier or government)—the physician makes the essential decisions for all of them. The hospital becomes an extension of the physician; the payer generally meets most of the bills generated by the physician/hospital, and for the most part the patient plays a passive role. We estimate that about 75-80 percent of health-care expenditures are determined by physicians, not patients. For this reason, the economy directed at patients or the general is relatively ineffective.
According to the author, when a doctor tells a patient to "return next Wednesday", the doctor is in effect ________.
选项 A、instructing the patient to buy more medical services
B、warning the patient that a hospital stay might be necessary
C、advising the patient to seek a second opinion
D、admitting that the initial visit was ineffective
答案A
解析 根据题干关键词句“return next Wednesday”定位到第2段第2句。在第2段第2句中，三个whether引出的例子是为了说明冒号前的“通常是由医生做出所有重要的购买决定”。选项中只有A与“购买”有关，故为本题答案。例子所支持的观点通常在前后出现。原文提到return next Wednesday是为了说明前面的观点，其他选项都与此无关。
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