It doesn’t matter you pay by cash or credit card in this store.A. howB. whetherC. whatD.

问题补充：

It doesn’t matter you pay by cash or credit card in this store.

A. how

B. whether

C. what

D. why

答案：

A. how

(答案→)B. whether

C. what

D. why

解析：考查主语从句的连接词。此处it是形式主语，后面whether...or…引导的主语从句是真正的主语，whether...or…意为：是…还是…都行。句意：在这个商店中用现金或信用卡支付都可以。