问题
单项选择题
When did the woman lose her key
A. This morning.B. Yesterday.C. Just now.
答案
参考答案：B
解析：[听力原文]
F: I lost my key last night at the party.
M: I’m sorry to hear that.
[详细解答] 根据对话内容，女：“我昨晚晚会上丢了钥匙。”男：“真遗憾。”