单项选择题

Questions 5 to 7 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now listen to the conversation. Which of the following statements about the man’s suitcases is true

A.They were down in the lobby.
B.They are made of blue pig-skin.
C.They were put outside Room 369 at 8.
D.The bellboy didn’t see the suitcases.