仔细阅读下面的邮件模板，并选出正确的邮件主旨。（） Hello Sir/Madam， It's a pleasure to tell that the postman just picked up your item from our warehouse. It's by EMS, 5-7 working days to arrive. Tracking number is: ********* Tracking web is: ******** You can view its updated shipment on the web, which will be shown in 1-2 businessdays. Also our after sales service will keep tracking it and send message to youwhen there is any delay in shipping. We warmly welcome your feedback. ***

• A、在产品发货后，告知买家相关货运信息
• B、货物到达海关后，提醒货运相关进展
• C、货物到达邮局，提醒买家给予好评
• D、感谢评价，为此后二次交易作铺垫