Nowadays the roles of husband and wife are not as   defined as before, especially when both partners work and earn money for the family.

A．clear

B．clearer

C．clearly

D．more clearly

下列哪项对诊断急性肾小球肾炎最有价值（）

A.抗"O"增高

B.血沉增快

C.尿沉渣可见红细胞管型

D.下降

E.蛋白尿