The factory which I visited yesterday was not the one I once worked.A. whereB. whichC. wha

问题补充：

The factory which I visited yesterday was not the one I once worked.

A. where

B. which

C. what

D. that

答案：

(答案→)A. where

B. which

C. what

D. that

解析：句意：我昨天参观的工厂不是我曾经工作过的工厂。the one指代工厂，work后不缺宾语，用where来引导定语从句，作状语，故选A