【正确答案】 A

【答案解析】原文：M: Hi, Sara. How’ s your speech for Professor Grey’ s class next Monday?W: Actually, I’ m a bit worried.M: Why should you? What’ s going on?W: You know...what I chose to talk about is British history.M: Really? That is a big topic.W: Yes. There are so many things to cover. I just can’ t see how to do it in a three-minute speech.