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

A．A larger income often results in a lower living standard.
B．No more money is left over in spite of a larger income.
C．To put away some money has become a necessity.
D．They don’t know where their money has gone.

A．David had made a lot of money in stocks.
B．David wore expensive clothes when driving.
C．David ran into a boyhood friend twenty years ago.
D．David taught business at a local community college.