SECTION A CONVERSATIONS In this section you will
hear several conversations. Listen to the conversations carefully arm then
answer the questions that follow. Questions 1 to
3 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. What warning does the professor give the woman about the class
A．He must leave soon. B．Her questions may not be answered. C．She may not be ambitions enough. D．She should not be charmed by philosophy.