—Morning，boysandgirls！Pleasetryyourbestintoday'sexam！Go...

问题详情：

—Morning，boys and girls！Please try your best in today's exam！Good luck to all of you!

—__ _

A．Sorry，I won't.   B．Never mind.

C．Thanks!              D．Congratulations!

【回答】

C

知识点：口语应用

题型：选择题