Question

 Cindy shut the door heavily and burst into tears. No one in the office knew         she was so angry.

     A. where               B. whether         C. that                 D. why     

 

Answer 1

【答案】

 答案D

考点：考查名词性从句。

解析：该空引导宾语从句，根据句意“办公室中没人知道她为什么如此生气”可判断选D项。