It was at 10 o’clock last night the visitors finally arrived at Zunyi Airport.
A. when
B. that
C. before
D. after
网友回答
A. when
(答案→)B. that
C. before
D. after
解析：考查强调句：句意：就是在昨晚10点，游客最后到达遵义机场。强调句的结构是：It is/was+强调部分+that+其余部分，判断是否四强调句的方法是，去掉强调结构，如果这句话仍然成立就是强调句，这句话去掉强调结构是：The visitors finally arrived at Zunyi Airport at 10 o’clock last night.所以是强调句，选B。