In German, friends have deep sentimental attachment toward each other. They are together not to ______.

A．They think it useful.
B．They think it valueless.
C．They think it a waste of time.
D．They think it misleads the students.

A．To invite the man to have dinner with her.
B．To suggest politely that he leave.
C．To ask him prepare the dinner.
D．To encourage him to have another drink.