It _____ everyone to hear all of the villagers behind the mountain were killed in the flood. [ ]

A. suffered            

B. shocked      

C. persuaded          

D. destroyed

以下均为脊髓压迫症的原因，除外（）

A.神经鞘膜瘤

B.颈椎融合畸形

C.第四脑室出口闭塞

D.黄韧带肥厚

E.结核