If more readers become comfortable with reading digitally, _______ but the book-collectors will want to buy paper books.

A．anyone

B．someone

C．no one

D．none

下列情况一般慎行肾穿刺活检术的是（）

A.急性肾炎综合征治疗2～3个月病情无好转

B.原发性肾脏病肾功能急剧恶化

C.无症状性血尿临床诊断不清时

D.孤立肾

E.移植肾出现严重排斥反应