问题
He ________ go out with his parents, but now he ________ staying at home alone.— Maybe he likes playing computer games at home.
A:used to; is used to
B:is used to; used to
C:use to; is used to
D:is used to; is used to;
B:is used to; used to
C:use to; is used to
D:is used to; is used to;
正确答案是：
