【正确答案】 A

【答案解析】原文： M: How much are these books? W: 345 yuan. How would you like to pay, cash or card? M: Do you accept Wechat pay? W: Yes, of course. Would you like to have your books delivered to your home? We offer free delivery. M: That would be perfect. Thank you. W: When would you like it to be delivered? M: Tomorrow. W: No problem. Would you please give me your address? M: OK. 6.How is the man going to pay for the books? 7.What offer does the woman give the man? 8.When does the man want the books delivered?信息明示题。对话中，女士询问男士是否希望商店将这些书送货上门，他们提供免费送货服务，故A)“免费送货”为本题的答案。B)“折扣”、C)“一本免费书”、D)“一个免费礼物”在对话中均未提及，故可排除。