-How do you deal with the disagreement between the company and the customers?

-The key       the problem is to meet the demand        by the customers. [ ]

A.to solving;making

B.to solving;made

C.to solve;making

D.to solve;made

以下提供若干组考题，每组考题共用在考题前列出的A、B、C、 D、E五个备选答案。请从中选择一个与问题关系最密切的答案。某个备选答案可能被选择一次、多次或不被选择。

成人甲状腺功能低下，会导致

A．呆小症
B．巨人症
C．侏儒症
D．黏液性水肿
E．肢端肥大症