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

A group of girls are standing in a gym. They use jump ropes to dance in unison. they

OPT:
(1). jump to the ground and continue dancing.;
(2). jump and flip over the ropes in a choreographed routine.;
(3). do hand springs before doing a victory dance together.;
(4). continue to do gymnastics until one of them falls from the jump rope.;
(2).