Questions 11 to 18 are based on the conversation you have just heard.

A．Because they get low grades.
B．Because they exhaust the reference sources in the library.
C．Because they can spend only limited time with the professors.
D．Because their teachers do not grade every assignment of them.

A．a single currency may not be suitable to all its member countries
B．a political alliance is better than an economic union
C．the prices in the member countries will decline
D．the purchasing power of consumers in the member countries will decline