What happens next?

A close up of rings are shown floating around an ocean followed by a scuba diver off into the distance. the swimmer

Pick from: (a). goes through a ring while popping it's side and continues moving up to the surface.. (b). swims around unknown areas while diving underneath multiple bodies of water and rocks.. (c). squats down and rubs against the pool floor as others watch on the side.. (d). leads a class with a large group of children walking around and holding hands with each other..
(a).