问题
选择题
It was not until mid-night they reached the camp site.
A．to stop to have
B．to stop having
C．stop to have
D．stop having
答案
答案：A
考察stop用法。Stop后接动名词表示停下正在做的事情，接不定式表示停下来去做另一件事情。根据题意，直到午夜他们才停下来以让他们到达营地。故选A。
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