—Does Peter have a tennis racket?

—_______. But he has some tennis balls.[ ]

A. Yes, he does

B. Yes, he is

C. No, he isn't

D. No, he doesn't

患儿男，3个月。口内黏膜有白膜，伴有低热5天。患儿5天前开始出现烦躁不安、啼哭、拒食，并有低热，3天前发现口内黏膜上有小白点，后逐渐变大，曾服用抗生素未见好转。口内检查：口内黏膜广泛充血，颊、舌及唇有散在的乳凝状白色斑片，斑片可用力揭去，露出红色糜烂黏膜。体温37.5℃。

可能的诊断是（）

A.口炎型口疮

B.疱疹性龈口炎

C.带状疱疹

D.手足口病

E.鹅口疮