问题详情

Why did the man talk with his friend in such an unnatural way？

A．He felt sick because something was wrong on his face.

B．He had something urgent and wanted to leave.

C．He felt embarrassed because he couldn"t pay the bill.

D．He was heartbroken when he and his friends talked about football.

请帮忙给出正确答案和分析，谢谢！