A．He was struck by a tennis ball and got hurt in the head.
B．His car was hit by another car.
C．He had an accident on his way to hospital.
D．While crossing the street, he was knocked down by a speeding car.

A．He suggests charging a heavier fee for dog ownership.
B．He strongly objects to raising large, fierce dogs.
C．He objects to raising dogs as pets in cities.
D．He demands the dog owners to take better control of their dogs.