Question

【题目】You’d better ask for help at the beginning rather than wait until a busy period ________ everyone is rushed off their feet.

A.thatB.whichC.whenD.where

Answer 1

【答案】C

【解析】

考查定语从句。句意：你最好一开始就寻求帮助，而不要等到每个人都忙得不可开交的忙碌时候。此处period是先行词，在后面的定语从句中作时间状语，故选C。