______ has been mentioned above, the size of a canal depends upon the kind of bo

游客2023-11-08  23

问题 ______ has been mentioned above, the size of a canal depends upon the kind of boats going through it.

选项 A、What
B、This
C、As
D、It

答案 C

解析 在本题中,as用作关系代词,引导的是非限定性的定语从句。同类用法更为常见的表达又如As is known to all,...。本题中的其他选项均没有这样的用法,故都应该被排除掉。
转载请注明原文地址:https://tihaiku.com/zcyy/3168473.html
最新回复(0)