【答案】B
【解析】题意“他昨天不舒服,是吗?”“是的,他不舒服而且没来上学.”No,he didn't.这一回答用以否定反意疑问句部分,而肯定陈述句部份,因为后面and he didn't come to school进一步说明是因为他不舒服才没来没校.A.Yes,he did.则用来肯定反意问句部份而否定陈述句部分,意为“不,他没不舒服.”这与后面he didn't come to school相违背.C、D项表达不对,用No,后面就应是简短的否定句,用Yes,后就应用简短肯定句.