she didn't know _ A.where would they have the meeting B.why they will have the meetingC.what to have the meetingD.when to have the meeting

she didn't know _ A.where would they have the meeting B.why they will have the meetingC.what to have the meetingD.when to have the meeting
she didn't know _ A.where would they have the meeting B.why they will have the meeting
C.what to have the meeting
D.when to have the meeting

she didn't know _ A.where would they have the meeting B.why they will have the meetingC.what to have the meetingD.when to have the meeting
正确的答案应该是 A.B 和C 是语法有瑕疵.D 在逻辑上有问题；She didn't know when to have the meeting 表明她是会议组织者,所以她不知会议何时进行是讲不通的.
【英语牛人团】

选D, 因为know后面加宾语从句排除A，C项意思不通，B项主从句时态不一致

选B应该是正确的