--What’s your idea?
--My opinion is , happens, we should not stop the reform.
A. when; what
B. that; when
C. that; whatever
D. when; what
网友回答
A. when; what
B. that; when
(答案→)C. that; whatever
D. when; what
解析：考查名词性从句。系动词is后跟表语从句，表语从句we should not stop the reform不缺少成分，故用that引导表语从句，排除A、D；两个逗号之间是插入语，happens前缺少主语，排除B；what意为“什么”，whatever意为“无论什么”，引导名词性从句或让步状语从句，这里是引导让步状语从句，故选C。