It was not until dark he found that it was the correct way to solve the problem.A. thatB

发布时间：2020-08-17 02:18:40

It was not until dark      he found that it was the correct way to solve the problem.
A. that
B. what
C. which
D. when

网友回答

(答案→)A. that
B. what
C. which
D. when
解析：强调句型，句意：直到天黑，他才发现这是一个正确的方法来解决这个问题。故选A.
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