you,d better go and look for him nao,______?A.hadn,t you B.wouldn,t you 为什么选A?

you,d better go and look for him nao,______?A.hadn,t you B.wouldn,t you 为什么选A?
you,d better go and look for him nao,______?A.hadn,t you B.wouldn,t you 为什么选A?

you,d better go and look for him nao,______?A.hadn,t you B.wouldn,t you 为什么选A?
You'd better中的'd是had,也就是说 You had better do sth.所以它的翻译疑问句当然是hadn't you?