问题
选择题
Country life provides him with peace and quietness, ______ what he can’t enjoy living in cities.
A．that is
B．which is
C．what
D．is for which
答案
答案：B
考查非限制性定语从句。非限制性定语从句的引导词不用that，排除A；what不能引导定语从句，排除C；定语从句缺少主语和谓语，排除D。故选B。