---Are you going to Tom’s birthday party?
--- .I might have to work.
A. Sound great
B. Thank you
C. It depends
D. Don’t mention it
网友回答
A. Sound great
B. Thank you
(答案→)C. It depends
D. Don’t mention it
解析：考查交际用语，Sound great 听起来太棒了，Thank you 谢谢你，It depends 看情况而定，Don’t mention it 别提了，句意：你打算去参加汤姆的生日聚会吗？看情况而定吧，我可能要工作。所以选C。