[听力原文]
W: Your bike looks quite new. When did you buy it
M: My mother bought it for me when I was ten years old. Now, I’m already 20 years old.

How long has the man used his bike（）

A．Over an hour.
B．Half an hour.
C．Less than half an hour.
D．Less than an hour.

A．She brought the man the wrong dish.
B．She wanted to change the dish he had ordered.
C．She kept the man waiting for too long a time.
D．She brought the dish to the wrong customer.