问题

He _____ cards with his friends, but now he _____ a walk after supper.
A: used to play; is used to having
B: is used to playing, used to have
C: used to play; is used to have
D: is used to playing; is used to have
B: is used to playing, used to have
C: used to play; is used to have
D: is used to playing; is used to have
正确答案是: