The park is to a city ______the lung is to man's body.

The park is to a city ______the lung is to man's body.


A、as
B、that
C、which
D、what
【正确答案】：D
【题目解析】：本题考查表语从句。句意：公园对于城市就像肺对于人体一样。what引导表语从句，在从句中作表语。本句用的是一个固定结构：A is to B what C is to D，意思是“A对于B就像C对于D一样”。