The topographic maps below show the same location before and after a natural event. What most likely caused the changes around the river?
A. A strong wind moved sediment from the river to the hill.
В. A landslide brought sediment from the hill to the edge of the river.
C. During a drought, the river slowed down and deposited sediment.
D. After a storm, fast-moving water in the river removed sediment.​