Question

She would say she was kept very busy, ____ she meant to refuse his invitation to dinner．

A．which

B．by which

C．that

D．with which

Answer 1

B

考查定语从句。句意：她会说她非常的忙，用这种方法她打算拒绝他吃饭的邀请。介词by一般指凭借某种方式或手段，所以选B。