选C
It is true that knowledge【is learned】instead of being taught.
真理是知识是被学习的而不是被教的
这里it is true that 后面跟的是从句,所以选项里面一定要有be动词is
这里是被动语态is learned,被学习
选C
It is true that knowledge【is learned】instead of being taught.
真理是知识是被学习的而不是被教的
这里it is true that 后面跟的是从句,所以选项里面一定要有be动词is
这里是被动语态is learned,被学习