The computers made by our company sell best,but several years ago no one could h
来源：网络
时间：
推荐文章
The computers made by our company sell best,but several years ago no one could have imagined the role in the markets that they______.
A.were playing B.were to play C.had played D.played
试题答案
B
此句话的意思为：几年前没有人能够想象到计算机在市场中将会扮演的角色。be to do sth.表示将来的动作。