By definition, a pothole is a structure mostly located at the surface of roads and highways wherein it is usually characterised by having deep crevices which are primarily caused by extreme soil erosion or the presence of water in the area. In addition, these potholes greatly affect the transportation system of South Africa because the flow of traffic will be interrupted.
I think the answer is D because Ice storms are caused by freezing rain and Hurricanes are formed near the equator over warm ocean waters. both of them are weather-related.