请听一段对话，对话后你将听到五个问题，请根据对话内容选出正确答案，对话和问题读两遍。 (     )1. A. London. (     )2. A. 9 hours. (     )3. A. Her mother. (     )4. A. 3 days. (     )5. A. In the river. B. Hong Kong. B. 12 hours. B. Her uncle. B. 4 days. B. In the swimming pool. C. Los Angeles. C. 10 hours. C. Her friend. C. 2 days. C. In the Pacific Ocean.