— What do you think of this math problem?

—It’s too easy. _____ in our class can work it out.

A．Someone

B．Anyone

C．Nobody

D．No one

下列哪种是引起慢性肾功能不全的最常见疾病（）

A.慢性肾小球肾炎

B.慢性肾盂肾炎

C.糖尿病肾病

D.高血压肾动脉硬化

E.系统性红斑狼疮