SECTION A CONVERSATIONS In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 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 is the main subject of the conversation
A．The man’s last appointment. B．Professor Irwin’s office hours. C．Student advisement during registration. D．The man’s health problems.