--- I saw your uncle take a taxi to the airport. Why didn’t you drive him there?

--- I ______. But my car ______.

A．would; was fixed

B．would have; was fixed

C．would have; was being fixed

D．did; was being fixed

在布置除尘器时，应注意的问题不包括（）

A.当除尘器捕集的粉尘需返回工艺流程时；应注意不要回到破碎设备的进料端或斗式提升机的底部，以免粉尘在除尘系统内循环

B.为了合理处理回料问题，有时宁可加长管道，把除尘器布置在符合要求的位置

C.干法除尘系统回收的粉料只能返回不会再次造成悬浮飞扬的工艺设备，如严格密闭的料仓和运输设备

D.在除尘器的适当位置设置泄爆装置