C
复数句子的 特殊疑问句结构：特殊疑问词+ do +主语 + 动词原形
肯定句：主语 + 动词原形David's sister has a doll(改为一般疑问句，做否定回答）The kite is a rectangle(对rectangle提问）1. Does Daivd's sister have a doll? No, she doesn't.2. What shape is the kite?