【题目】It's not easy for Tom to find a job, who has been in prison for many years. So he is still out of work.
A. 不填; a B. the; a
C. 不填; 不填 D. the; 不填
在线课程【答案】C
【解析】考查冠词。句意：对于汤姆来说找到一份工作不容易，因为他坐牢好多年，因此他仍然失业。坐牢是in prison；失业是 out of work.，根据固定搭配判断都不填冠词，因此选C。