单项选择题

Questions 7 to 10 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. Which of the following is true, according to the conversation

A.They are reading a letter from Arthur.
B.They are reading a letter from Jack Bredo.
C.They are talking about a letter from Arthur.
D.They are talking about a letter from Jack Bredo.