2级

单选题They said that they had made up their minds to __________the task in spite of the extremely difficult conditions.

参考答案:B进入在线模考
[分析]习语辨析
A.Carry off夺去……的生命,获得,成功对付;B.carry on继续开展,坚持,举止失常;C.early out完成,实现,贯彻,执行;D.Carry forward发扬,结转;此句意为:他们说尽管处境异常艰难,但他们决定将这项任务继续开展下去。因此答案为B。