It was 10 o′clock ___________ Jill arrived at the office, which made the boss annoyed.

2023-08-07

A.when
B.that
C.which
D.then


参考答案:A

考查状语从句。分析句子结构可知为时间状语从句,句意为“直到l0点Jill才到办公室,这使他的老板很生气”。故选A。

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