【开放英语2(英语I(2))-2822网上形考机考题库】 After they finished ________ football, they went for a drink in a pub.

【开放英语2(英语I(2))-2822网上形考机考题库】 After they finished ________ football, they went for a drink in a pub.
AplayingBto play Cplay
A. playing
B. to play
C.play