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

An older woman is standing in an indoor gym and is talking while two people behind her to the left are playing basketball on the court. while she

Options are: A). talks, a man appears and runs very quickly through the court so he knocks over a basketball on the floor.; B). talked, she picked up a ball and started playing pool with the balls while referees on the sidelines start to play.; C). 's still talking, above her on the second floor to her left, two people go running by.; D). is talking she touches a ball and begins to play it accidentally.;
C).