What happens next?

A person is seen sitting at the top of the water and moving themselves slowly to the bottom. the person

Pick your answer from:
(a). is then seen swimming around under the ocean while the camera captures their movements.;
(b). then begins walking along the water getting into position and begins preparing their gear.;
(c). then begins moving up and down while looking through the rest of the boat.;
(d). is then seen sitting on the side of the water while the camera follows them from above.;
(a).