—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there. — I really sh

问题补充：

—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.

— I really should have gone with you, but I on some remaining problems.

A. was working

B. would work

C. worked

D. had worked

答案：

(答案→)A. was working

B. would work

C. worked

D. had worked

解析：

试题分析:句意：-——在昨天的烧烤野餐中我们玩的非常开心。可惜你没在场。——我真的应该和你一起去，但是我那时候在解决一些剩余的问题。根据语境可知说话人指对方在野餐时他正在解决问题，应该用过去进行时，故答案选A。