I'd like to move          . It's good for our study. [ ]

A. somewhere quiet

B. anywhere interesting

C. quiet somewhere

D. interesting somewhere

导致肾病综合征复发及疗效不佳的主要原因是（）

A.肾功能不全

B.动脉粥样硬化

C.肾静脉血栓

D.下肢静脉血栓

E.感染