下列关于肾积水的说法哪项不正确（）.

A.肾积水合并感染时可出现全身中毒症状

B.长时间梗阻引起的肾积水，最终会导致肾功能减退和丧失

C.肾积水由上尿路梗阻引起，下尿路梗阻不引起肾积水

D.轻度肾积水多无症状，中重度可引起腰部疼痛甚至出现腹部肿块

E.双侧肾完全梗阻可导致急性肾衰竭

— What do you suppose I should wear for the party?

— Don't bother to _____. Nobody will care about it. [ ]

A. turn up

B. take up

C. dress up

D. put up