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.

When does the second course begin

A．choice of their premises.
B．the way to think independently.
C．skills of drawing conclusions.
D．different kinds of argument.

A．providing persuasive information on products.
B．consuming millions of dollars.
C．providing sometimes misleading information.
D．communicating fair prices to consumers.