I'll be able to come to see your perfermance at 9 tomorrow evenging.---I'll be able to come to see your performance at 9 tomorrow evenging.---i'm sorry,by then my performance____and I____reporters in the meeting room.A will be ended;will meet B is to

I'll be able to come to see your perfermance at 9 tomorrow evenging.---I'll be able to come to see your performance at 9 tomorrow evenging.---i'm sorry,by then my performance____and I____reporters in the meeting room.A will be ended;will meet B is to
I'll be able to come to see your perfermance at 9 tomorrow evenging.
---I'll be able to come to see your performance at 9 tomorrow evenging.
---i'm sorry,by then my performance____and I____reporters in the meeting room.
A will be ended;will meet B is to end;will meet
C wiil have ended;will be meeting D will be ended;am going to meet
选哪个 其他为什么不对

I'll be able to come to see your perfermance at 9 tomorrow evenging.---I'll be able to come to see your performance at 9 tomorrow evenging.---i'm sorry,by then my performance____and I____reporters in the meeting room.A will be ended;will meet B is to
选C
大意是：不好意思到时候我的演出已经结束了,表示将来已经完成的动作,所以用will
have done,那个时候我（应该）正在见面室里会见记者,表示将来正在进行的动作,所以用will be doing.