問題詳情：
I want to use the same tools _______used in your factory a few days ago.
A. as was B. which was C. as were D. which
【回答】
C. as引導定語從句時通常構成such…as或the same…as固定搭配，其中such和same修飾其後的名詞，as爲關係代詞，指代其前的名詞引導定語從句。as在從句中可以作主語、表語或賓語。本題中as作從句的主語.
知識點：定語從句
題型：選擇題
