Speaker: Thank you all for your attention.Host: Professor Cohen, ______Speaker: Sure.A．we"

Speaker: Thank you all for your attention.Host: Professor Cohen, ______Speaker: Sure.

A．we"d like to thank you anyway.

B．I wish you a safe trip back.

C．would you like to take some questions？

D．could you expand on it？

请帮忙给出正确答案和分析，谢谢！