单选题 All experts agree that the most important consideration with diet drugs is carefully ______ the risks and benefits.

【正确答案】 A

【答案解析】weigh“权衡(利弊)”，此处译为“权衡风险与收益”；B项value“评价”；C项evaluate“估价”；D项distinguish“区分”。根据句意，对“风险和收益”不是评价、估价或区别，而是通过比较来权衡一下哪个大，所以应用weighing。