From the tears in Nedra’s eyes we can deduce that something sad (occur) ______.

A．To study for a test.
B．To use the telephone.
C．To complain about the vending machine.
D．To get a cup of coffee from the vending machine.

A．in a dentist’s office.
B．In a drug store.
C．In a hospital.
D．In a doctor’s office.