When is Tom's birthday party going to be/have it is better ( )Beijing in autumn

问题描述:

When is Tom's birthday party going to be/have it is better ( )Beijing in autumn
A.to come B.come C.to come to D.come to

填be.因为答句是,Tom's birthday party is going to be on +具体某一天,或者in +某一月
C.to come to