1. Rise and fall of the rate of car accidents as indicated by the graph; 2. Possible reason(s) for the decline of car accidents in the city; 3. Your predictions of what will happen this year. Your composition should be no less than 120 words and you should 0uote as few figures as possible.

A．Because the farmer planted the tree near the road.
B．Because the farmer planted the tree on one of his fields.
C．Because the farmer planted the tree near his house.
D．Because the farmer planted the tree in the woods.