10.I'm afraid we must leave now.--- ________ .--- No,I'm afraid we really must.We have to meet our teacher at ten o'clock.A.Oh,please do B.Don't be afraid C.Yes,it's too late D.Must you?It's still early.选什么呀

10.I'm afraid we must leave now.--- ________ .
--- No,I'm afraid we really must.We have to meet our teacher at ten o'clock.
A.Oh,please do B.Don't be afraid C.Yes,it's too late D.Must you?It's still early.
选什么呀

D
题干意思为：我想我们必须要走了,我们不得不在十点钟去见我们的老师
A太过直接,一般不会这样子回答,比较没礼貌
B、C“不要害怕”“是的,太晚了”明显在答非所问