英语高手：The young girl sitting next to me on the plane is very nervous.She ＿＿before.A.hasn't flown B.didn't fly C.hadn't flown D.wasn't flying这个题该选哪一个啊?顺便说一下理由哈
问题描述：
英语高手：The young girl sitting next to me on the plane is very nervous.
She ＿＿before.
A.hasn't flown B.didn't fly C.hadn't flown D.wasn't flying
这个题该选哪一个啊?
顺便说一下理由哈
答