---Are you going to Tom’s birthday party?
--- ．I might have to work．
A. It depends
B. Thank you
C. Sounds great
D. Don’t mention it
网友回答
(答案→)A. It depends
B. Thank you
C. Sounds great
D. Don’t mention it
解析：考查交际用语。根据下文的I might have to work．可知我不一定会去参加聚会，要看情况而定了。结合句意可知A正确。