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. What are the speakers talking about

A.Cyril and his marriage.
B.Ibsen and Butler’s marriage.
C.Aunt Celia and her marriage.
D.Katharine’s mother and the marriage.