——I’m sorry the traffic is so heavy.——Does that why you are so late?A. come acrossB. beli

问题补充：

——I’m sorry the traffic is so heavy.

——Does that why you are so late?

A. come across

B. believe in

C. focus on

D. account for

答案：

A. come across

B. believe in

C. focus on

(答案→)D. account for

解析：考查动词词组：A．come across遇上B． believe in相信C．focus on专注D．account for占据，是…的原因，句意是：--很抱歉，交通太拥挤了。--那是你迟到的原因吗？选D。