Regarding its position in the water column,the same thing that happens to a shark when it stops swimming also happens to a

A)physostomus fish when it gulps air.
B)physoclistus fish when it moves gas from the blood into the water.
C)physoclistus fish when it moves gas from the swim bladder into the blood.
D)physoclistus fish when it moves gas from the blood into the swim bladder.