听力原文:(A) Some cars are parked next to the curbs.(B) A man is riding a motorcycle in th
听力原文:(A) Some cars are parked next to the curbs.
(B) A man is riding a motorcycle in the street.
(C) There is heavy traffic on the road
(D) Trees have been planted on both sides of the road.

请帮忙给出正确答案和分析,谢谢!