Let’s have a talk over this matter this afternoon, or it is convenient to you.
A. wherever
B. whichever
C. however
D. whenever
网友回答
A. wherever
B. whichever
C. however
(答案→)D. whenever
解析：考查连词的用法，wherever无论哪里，whichever无论哪一个，however不管怎样，whenever无论何时，句意：我们下午谈谈这个事吧，或者不管什么时候你方便的话。所以选D。