The author seems to indicate that ______.
A、there are many controversial issues like the right amount of sleep
B、among many issues the right amount of sleep is the least controversial
C、the right amount of sleep is topic of much controversy among doctors
D、people are now moving towards solving many controversial issues concerning sleep
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正确答案
试题解析
文章第一句的主语为few questions（几乎没有问题），表示否定的概念，后面由介词on和关系代词which引导的定语从句中出现了so...as（和…一样…）结构，该句形容关于我们应该获得多少睡眠方面的responsible opinion分歧很大，接下来文章讲述了不同医生对此截然不同的看法，因此C项正确。
