赞题库-背景图
单项选择题

Questions 19 to 22 are based on the conversation you have just heard.

A. Because the host believes the guest.
B. Because the host feels that it’s not polite to force the guest to eat if he or she doesn’t want more.
C. Because the guest doesn’t know how to ask for more food.
D. Because the host appreciates the guest’s good manner.