Question

Jane told me she would not attend the conference ______.

A．if she invited	B．when inviting
C．unless invited	D．while inviting

Answer 1

C

选项为省略句，当when,while,until,if,unless等连词引导的状语从句的主语与主句的主语相同，从句的主语及部分谓语（be动词）可省略，unless invited ="unless" she was invited。