问题补充:
一I’m sorry.I’ve left my credit card home.And I don’t have enough cash for the meal.
一Don’t worry..
A. I’ll invite you
B. It’s my pleasure to pay you
C. It’s my treat
D. It’s at your expense
答案:
A. I’ll invite you
B. It’s my pleasure to pay you
(答案→)C. It’s my treat
D. It’s at your expense
解析:根据题意后者的回答应该为不用担心,我请你。C正确。