问题

People in Xinghua ______ walk or ride bikes, but now they ______ taking the bus or riding cars.
A:used to; used to
B:were used to; used to
C:were used to; are used to
D:used to; are used to;
B:were used to; used to
C:were used to; are used to
D:used to; are used to;
正确答案是: