【题目】It seemed an impossible task, but Tom, though physically challenged, carried on until it was completely fulfilled.
A. instead B. yet
C. regardless D. still
在线课程【答案】C
【解析】句意:这好像是不可能的任务,但是汤姆,尽管是体能挑战,不管怎样继续下去直到彻底完成。instead相反;yet还;regardless不管怎样;still仍然。故选C。