—Sorry I’m late for work.—Is that you got stuck in a traffic jam again?A. whyB. howC. be

问题补充：

—Sorry, I’m late for work.

—Is that you got stuck in a traffic jam again?

A. why

B. how

C. because

D. when

答案：

A. why

B. how

(答案→)C. because

D. when

解析：本题考查名词性从句。题中由because引导表语从句，句意：那就是因为你再次交通堵塞吗？选C。