悬臂式支护结构的嵌固深度设计值hd是按()确定。

A.1.2γo倍的主动土压力强度等于被动土压力强度

B.1.2γo倍的主动土压力之和等于被动土压力之和

C.1.2γo倍的主动土压力之和不超过被动土压力之和

D.对墙底的主动土压力矩的1.27倍不得超过被动土压力力矩

Some people say that they _______ to live in the countryside.   [ ]

A. enjoy

B. feel like

C. choose

D. don't