【正确答案】 D

【答案解析】原文：M：Excuse me. When does flight 645 leave?W：Actually, it is delayed until 15:30.Q：What do we know about the flight?问题问的是“男士在哪里可以租到语音导游器”。通过对话内容可知,女士说可以在服务台租一个，故选D。