47 .---Mom,what did your doctor say?-He advised me to live ___the air is fresher.(2 分)

问题描述:

47 .---Mom,what did your doctor say?-He advised me to live ___the air is fresher.(2 分)
A.in where
B.in which
C.the place where
D.where
B 为啥不行>?

D
妈妈,医生怎么说的?
他建议我住在空气新鲜的地方.
where 引导地点状语从句,如果选第二个,那是定语从句,缺少先行词.