— Are you sure the delegation will come to our school next week?— . The head of it has jus

问题补充：

— Are you sure the delegation will come to our school next week?

— . The head of it has just emailed me about the departure time of their flight.

A. No wonder

B. You bet

C. Don’t mention it

D. Definitely not

答案：

A. No wonder

B. You bet

C. Don’t mention it

D. Definitely not

解析：句义：—你确定代表团下周要来我们学校吗？—当然了！代表团的团长已经发了电子邮件告诉我们他们航班的出发时间了。A难怪；B当然；C没关系；D当然不了！根据句义可知B项与后半句语义一致。故B正确。