Being able to speak but not write is like living in a(n) mansion and never leaving one sma

问题补充：

Being able to speak but not write is like living in a(n) mansion and never leaving one small room.

A. vital

B. enormous

C. moderate

D. visible

答案：

A. vital

(答案→)B. enormous

C. moderate

D. visible

解析：句意：能说不能写就像生活在一个巨大的大楼里而从没有离开过一间小屋似得。vital 致命的；enormous 巨大的；moderate温和的，适度的；visible可见的。和后面的small对比，故选B。