He coughed day and night. The doctor asked him ______ smoking. [ ]

A. to give up

B. give up

C. giving up

D. gives up

双眼颞侧偏盲是由下述哪个部位病变引起的（）

A.双侧视神经

B.视交叉

C.双侧视束

D.双侧外侧膝状体

E.双侧枕叶