Question

Was it in the factory_____ you worked five years ago___ you learned the technique?

A．that; where

B．where; when

C．where; where

D．where; that

Answer 1

D

从整个句子来分析，本题的主干是Was it in the factory_____ you worked ___ you learned the technique?这一强调结构，you worked five years ago 是定语从句，限定the factory。