The ties are good in both quality and style；she knows that_________ she chooses will match her husband．

A.however

B.what

C.whichever

D.whatever

答案及解析： B

解析：

whichever是which的强调形式，表示“无论哪一个”；whatever是what的强调形式，表示“无论什么”，二者都可引导名词性从句，但前者指在一定范围内的选择，后者不受范围限制表泛指，故答案选B.