Motorcyclists may have to suddenly change direction when encountering potholes and reflective markers
Answer:
A. potholes and reflective markers
Explanation:
A pothole is a hole in the road surface, which may causes the motocyclist to fall if he does not change directions.
A reflective marker may also cause the motocyclist to fall.
So the correct answer is:
A. potholes and reflective markers
