问题描述：
The students was just about to _____ the questions, when suddenly he found the answer.
A. arrive at
B. submit to
C. work out
D. give up
请翻译解释一下,不分时间快慢
A. arrive at
B. submit to
C. work out
D. give up
请翻译解释一下,不分时间快慢
问题解答：
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