_______ he says or does won’t make me change my mind at all.

_______ he says or does won’t make me change my mind at all.
A、Whatever
B、However
C、Which
D、How
【正确答案】：A
【题目解析】：本题考查主语从句。Whatever引导主语从句。句意：无论他说什么做什么，我都不会改变主意。