—Are you going to attend the academic lecture tomorrow?—. I might have to pick my uncle up

—Are you going to attend the academic lecture tomorrow?
— . I might have to pick my uncle up at the airport.
A. No problem
B. It all depends
C. No way
D. It sounds great

A. No problem(答案→)B. It all dependsC. No wayD. It sounds great解析：考察交际用语。A没问题；B看情况而定；C不可能；D听起来很棒。句意：—你要去参加明天的学术演讲吗？—看情况而定。也许我不得不到机场去接我的叔叔。根据句意说明B正确。

好好学习下