( )was pointed above, this substance can be used as a substitute.A、ItB、ThatC、W

游客2025-03-06 14

问题 ( )was pointed above, this substance can be used as a substitute.

选项 A、It
B、That
C、What
D、As

答案 D

解析本题考查定语从句。本题由as引导定语从句，指代后面的整个句子，在从句中担当主语成分。

转载请注明原文地址:https://tihaiku.com/zcyy/3985648.html

相关试题推荐

随机试题

最新回复(0)

()waspointedabove,thissubstancecanbeusedasasubstitute.A、ItB、ThatC、W