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

A group is gathered around a picnic table. They are engaged in a game of beer pong. they

Options are: --rut all around the table, trying not to be asked to drink the beer.. --keep throwing the ball back and forth over the table to one another.. --are throwing the balls and trying to get them into cups.. --take turns throwing the balls at the opposing team members..
are throwing the balls and trying to get them into cups.