Question

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

1. A.
   where
2. B.
   whether
3. C.
   that
4. D.
   why

Answer 1

D
试题分析：句意：Cindy狠狠的关上门哭了起来，办公室里没人知道他为什么如此生气。
考点：本题考查宾语从句