A:Where is Lily?B:She ____ for about half an hour.A.has leftB.has goneC.has been awayD.went

A:Where is Lily?B:She ____ for about half an hour.
A.has left
B.has gone
C.has been away
D.went

C 是对的
A left 非延续性动词,不能与表示一段时间的状语 for about half an hour连用
B gone 也是非延续性动词
D 时态不对