Jack’s parents can’t go to the parents’ meeting because they to Beijing on business.A. we

问题补充：

Jack’s parents can’t go to the parents’ meeting because they to Beijing on business.

A. went

B. have gone

C. will go

D. had gone

答案：

A. went

(答案→)B. have gone

C. will go

D. had gone

解析：句意：杰克的父母不能去参加家长会因为他们出差到了北京。根据句意可知该选B。