多项选择题 直通车系统会根据消费者的搜索、购物行为主动推送类似宝贝给买家。请问卖家可以通过优化以下哪些内容实现精准定向？（）

单项选择题 M: Where’s Professor White this morning? W: He’s a little under the weather. He got soaked in the heavy rain the night before last and you know his health． Q: What does the woman say about Professor White?（）

单项选择题 听力原文：W: I may drive up to London on Saturday. There are one or two things I need to do there.M: I'd go early if I were you. The motorway can get very busy, even on Saturdays. You may get stuck in the traffic.Why does the man suggest the woman go early?A．The road will be busy.B．It will take a long time.C．London will be crowded.D．She can come back early.