What is the most logical next event?

The woman in the blue tank top shows how to hula hoop in fast motion. Then both the women show how to twirl the hoop by raising it high up above their heads. they

OPTIONS: A. do gymnastics at the end of the routine.. B. then demonstrate how to perform the hula hoops underwater.. C. bend their backs to lower themselves down as the continue to hula hoop.. D. stop in mid-twirl as the woman in the white tank top holds up her chest..
C.