单项选择题

Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now, listen to the conversation.

What can we learn from the conversation

A.There is no special rate for a group reservation.
B.The travel agency has to pay 5% of the total cost as a deposit.
C.The group includes 28 tourists and two leaders.
D.14 standard rooms are reserved in total.