Multi-choice problem: Continue writing the next sentence in this paragraph:

As they are waiting, they can see several people going down the hill and tubing before it is finally their turn. once they

Pick from: (1). are done, one last runners comes up and shakes the hands of all team to celebrate.; (2). finally exit the ramp, they get off and walk around the city.; (3). reach the bottom, they grab their tube and begin to walk off the slope.; (4). get to the bottom, the presenter returns and they all begin diving in and getting their floats into position.;
(3).