I was on the point of going to bed Mr. Zhang rang.A. asB. whenC. whileD. and

发布时间：2020-08-17 12:50:52

I was on the point of going to bed      Mr. Zhang rang.
A. as
B. when
C. while
D. and

网友回答

A. as
(答案→)B. when
C. while
D. and
解析：因为句中的并列连词when = just at that time, 意为“这时(突然)”。
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