How are his parents?

How are his parents?--------------------.A.Thay are nice.B.They are very well.C.Thay are old.这三个答语各是回答哪类问题的,麻烦加以解释.649109353 您怕是理解错了，我的意思是哪类问题的答语，例如：问长相外貌的、性格等。可能是我没表述清楚，抱歉。