第24题: [单项选择]Questions 23 to 25 are based on the conversation you have just heard. A. They look at a house sitter’s score report. B. They interview a house sitter’s friends. C. They check a house sitter’s references. D. They attend a house sitter’s party. 参考答案:C 答案解析:[听力原文] In what way do homeowners determine the reliability of a house sitter