He is never satisfied,_____hard I work.A.whenever B.no matter when C.no matter however D.no matter how

问题描述:

He is never satisfied,_____hard I work.A.whenever B.no matter when C.no matter however D.no matter how

D 无论我怎么努力他都不满意.根据意思排除 AB,没有no matter however 的说法 .