I felt somewhat disappointed and was about to leave _________ something occurred which attracted my attention.

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问题 I felt somewhat disappointed and was about to leave _________ something occurred which attracted my attention.

选项 A、unless
B、until
C、when
D、while

答案C

解析本题考查时间状语从句。be about to do sth.when…意思是“正准备做某事，发生了另一个事”，这里的when意为“正在这时”，故选C。

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A类竞赛（研究生）

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