He hardly spent any time on his subjects.did he No,so he does badly in his lessons 见补充

题目

He hardly spent any time on his subjects.did he No,so he does badly in his lessons 见补充
这句话中的NO是不是表示的是肯定?代表yes?但是为什么要这么说?有什么规则和技巧吗?

答案

表示肯定.
附加疑问句,只要前面陈诉的是事实,就用yes,与事实相反就用No.与后面的问法无关系.