The number of prematurely stopped clinical trials has increased recently. The 25 trials involved roughly the same number of par

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问题 The number of prematurely stopped clinical trials has increased recently.
The 25 trials involved roughly the same number of participants.

选项 A、Right
B、Wrong
C、Not mentioned

答案C

解析 短文并没有提及者25项实验研究所涉及的对象是否大致相等。
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