梗阻性脑积水可继发于（）
A.蛛网膜下隙出血
B.脑萎缩
C.肿瘤
D.脑白质病
E.腔隙性脑梗死
参考答案：C
电话自动委托的身份确认由( )控制。
A．委托人 B．密码 C．营业部 D．受托人
— Where did you find Mr. Smith?
— It was in the library _____ we often went to read. [ ]
A. that
B. when
C. what
D. where
