Questions 6 to 15 are based on the conversation you have just heard.

A．Two years.
B．Four years.
C．Five years.
D．Six years.

A．Living in a house, department, etc.
B．Thinking or talking for too long about something, especially something unpleasant.
C．Finding something pleasant by accident.
D．Chasing or following someone or something, in order to catch them, attack them, etc.