Tony said he would come yesterday.But he ___his idea today.

问题描述:

Tony said he would come yesterday.But he ___his idea today.
Achanges B is changing C has changed Dhad changed

C有特定的时间不是不可以用现在完成时的吗?也不是了,按照意思是已经决定了 现在完成时态那如果有changed要选吗?可以选