单选题
According to the passage, the best solution on the problem seems to be______.
A、
not to change shifts from one week to the next
B、
to make periods on each shift longer
C、
to employ people who will always work at night
D、
to find ways of selecting people who adapt quickly
【正确答案】
C
【答案解析】
细节题。由题干solution可定位至末段首句The only real solution…permanent night workers…，由此可知最好的解决方法是雇佣总是上夜班的工人；上文虽提到将换班周期延长也是一种解决方案，但此方案效果并不令人满意，故选C)。
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