Which statement best summarizes the relationship between time and distance in echolocation and sonar?

A. The closer the detected object, the slower the returning sound waves travel through a medium.

B. The farther away the detected object, the faster the returning sound waves travel through a medium.

C. The closer the detected object, the longer it takes the sound waves to return.

D. The farther away the detected object, the longer it takes the sound waves to return.​