单项选择题
Questions 2 to 4 are based on the following conversation. At the end of theconversation, you will be given 15 seconds to answer the questions. Now, listen to theconversation.
The following details have been checked during the conversation EXCEPT（）.
A.number of travelers. B.number of tour days C.flight details D.room services
问答题 Please write the whole passage on ANSWER SHEET ONE.
