By the time Jane gets home,her aunt( )for London to attend a meeting.

问题描述:

By the time Jane gets home,her aunt( )for London to attend a meeting.
A will leave
B leaves
C will have left
D left

选D,表示虚拟语气.意思是:只要JANE一回家,她阿姨就会去伦敦参加一个会议.因为他还没有回来,对现在的虚拟.前面用一般现在时,后面要用一般过去式