It has been reported that more than one kid________with the "Bird Flu".

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问题 It has been reported that more than one kid________with the "Bird Flu".

选项 A、have been infected
B、has been infected
C、have infected
D、has been infecting

答案B

解析考查单复数以及主被动，由于主语是单数结构，且空后没有名词作为infect“感染”的承受者或主语kid是infect的承受者，所以本题为被动。因此选B。

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