将下面的句子重新排列，组成对话。

( ) Really? What's he like?

( 4  ) Is he quite?

( 1  ) I have a new math teacher.

( ) Great! He can play with us. Is he strict?

( ) No, he isn't. He's very active.

( ) He's young and strong. He's a university student.

( ) Yes, he is. But he's very kind.

患儿，男性，10岁，浮肿、尿少、肉眼血尿3天，3周前开始反复发作双下肢出血性皮疹，对称性分布，伴关节肿痛。

最可能的诊断是（）

A.狼疮性肾炎

B.急性肾小球肾炎

C.过敏性紫癜肾炎

D.乙肝病毒相关性肾炎

E.IgA肾病