请选出正确答案 这道题考的是什么语法

问题描述:

请选出正确答案 这道题考的是什么语法
I'll come to attend your speech at 9:00 tomorrow morning
I'm sorry .By then speech ___ and I ____ TV at home.
A.will end; will watch B.is to end ; will watch
C.will be ended ; am going to watch D.will have ended; will be watching

D.
by then后是有and 引导的俩个并列句,根据意义前用将来完成时后用将来进行时.
到那时演讲将已经结束我将在家看电视.