Her local doctor couldn’t tell what was wrong, so she had to see a (special) ______ .

A．The man turned on the light.
B．The woman know where the switch is.
C．The man has lost his glasses.
D．The man missed the classes.

A．8 hours.
B．10 ～ 11 hours.
C．9 ～ 10 hours.
D．12 hours.