Which of the following is a disease? The new study surpasses the previous one in that______.

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问题 Which of the following is a disease?
The new study surpasses the previous one in that______.

选项 A、it identified side effects of allergies.
B、it established that allergy can be cancer-resistant.
C、it specified the time when allergy is active in human body.
D、it found more about how allergy is correlated with tumor.