-he hardly spent any time on his subjects,____?-_____,so he does badly in his lessons

问题描述:

-he hardly spent any time on his subjects,____?-_____,so he does badly in his lessons
Adidn't he,yes Bdid he,yes Cdidn't he,no Ddid he,no

B
前面为否定,后面为肯定.
Yes,肯定前句的意思.