Sentence Correction
试题详情
题目：
The federal rules aimed at protecting human subjects of medical experiments were established to ensure that patients must be warned of potential risks and an independent panel would evaluate the experiment before it was conducted.
选项:
A、 must be warned of potential risks and an independent panel would
B、 must be warned of potential risks and that an independent panel
C、 are warned about potential risks and that an independent panel
D、 will be warned about potential risks and an independent panel would
E、 would be warned of potential risks and that an independent panel would
答案:
E
