It was at 10 o’clock last night the visitors finally arrived at Pudong International 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：结构是：It is/was+强调部分+that/who…..,可以强调除了谓语的各个成分，这句话强调的是at 10 o’clock last night，句意是：游客最终到达浦东机场是在昨晚10点。选B。