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

游客2024-10-02 19

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:http://tihaiku.com/zcyy/3783037.html

相关试题推荐

随机试题

最新回复(0)

______hasbeenmentionedabove,thesizeofacanaldependsuponthekindofbo