比一比，再组词。

宵(    )霄(    )     度(    )渡(    )

偷(    )愉(    )     乞(    )气(    )

浇(    )晓(    )     渐(    )惭(    )

悔(    )诲(    )     织(    )识(    )

Miss. Gao _______ in the library for three years. But now she is a teacher.

A．worked

B．has worked

C．had worked

D．has been working