题目内容：

Arriving at a bus stop the bus pulling away just a few minutes ago is quite annoying.
Arriving at a bus stop the bus pulling away just a few minutes ago is quite annoying.
A. to find B. finding C. found D. to be finding
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优质解答

A
Arriving at a bus stop是伴随状态,做状语,不去看他

就是不定式做主语,主干是to find the bus pulling away is quite annoying

一到汽车站,缺发现汽车刚刚离开,真是很沮丧