Sentence Correction
试题详情
题目：
If a drug that is already on the market has the potential to help adults and children who have the same disease, or if it is widely used in children and the absence of labeling seems dangerous, the FDA can require that the drug undergo pediatric study.
选项:
A、that the drug undergo
B、that the drug undergoes
C、that the drug is to undergo
D、the drug undergoing
E、the drug to have to undergo
答案:
A
