— Excuse me, I'm new here. May I ask you a favor?

—Sure,      . [ ]

A. it's a deal

B. just let it be

C. take care

D. go ahead

膀胱结核常与以下哪种疾病并发（）

A.肾癌

B.输尿管结石

C.肾结核

D.肾脓肿

E.输尿管癌