题干
— John, where are the cookies? Don't tell me you ate them all.
— . I couldn't help it. They were so good.
— . I couldn't help it. They were so good.
A：Yes, I did
B：No, I didn't
C：Yes, I have
D：Why? Sound strange
答案(点此获取答案解析）
A
，如果它与溴发生取代反应，试推断生成的一溴取代物最多可能有几种（ ）