When the car _______ the poisonous gas ran off the rails,.When the car _______ the poisonous gas ran off the rails,the firemen tried to isolate the place from all traffic.A.carried\x05B.carrying \x05C.having carried\x05\x05D.being carried
问题描述：
When the car _______ the poisonous gas ran off the rails,.
When the car _______ the poisonous gas ran off the rails,the firemen tried to isolate the place from all traffic.
A.carried\x05B.carrying \x05C.having carried\x05\x05D.being carried
答
B.carrying the poisonous gas 携带毒气的小车,做后置定语.
楼上001going应当是理解错了.不能用carried,除非是carried with poisonous gas还差不多..