The joke means taking medicine __. A．is better than not taking it B．needs longer time to recover C．is the same with no medicine D．has no effect

A.is
B.needs
C.is
D.has

【参考答案】

C
参见最后一段。所以有这么一个笑话：感冒时，如果你不吃药，得需要整整一周才能恢复；但如果你吃药，7天就好了。所......

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