She used ______ on the right in China, so she was not used _______ on the left in England at first.

A．to drive; to drive

B．to drive; driving

C．to driving; to driving

D．to drive; to driving

软件开发离不开系统环境资源的支持，其中必要的测试数据属于

A) 硬件资源
B) 通信资源
C) 支持软件
D) 辅助资源