Question

I will not speak unless _______.

A．I will be asked to

B．asked

C．asked to

D．I am asked

Answer 1

C

考查状语从句的省略，句意：我不会说话除非要求被说。根据语境应用过去分词asked to     ，前省略了I am ，后省略了speak，所以选C。