企源知识库

They ________ in spite of the extremely difficult conditions.
A、carried out
B、carried off
C、carried on
D、carried forward
【正确答案】：C
【题目解析】：句意：尽管困难重重,他们还是继续他们的工作。A.carried out执行； B.carried off 拿走；C.carried on继续；D.carried forward向前。