It's believed that parks are to the city __lungs are to the body. A what B like C that D which

问题描述:

It's believed that parks are to the city __lungs are to the body. A what B like C that D which
为什么选A

A is to B What C is to D
A 对B 来说就如C 对D 一样
不懂继续问( 天天在线 )