—Do you think the rain will affect the football match?

—The players are used to such rainy weather, so it ______ make any difference to them.

A．shan't

B．shouldn't

C．needn't

D．mustn't

退货问题投诉一般分为______。

A．退货数量不一致

B．退货单未处理

C．拒退货未收到

D．拒退货数量不一致

E．质量