What happens next?

People walk by them and a kid pushing a stroller and some other children come and stop to watch them for a little by. there

Choose from:
A). is a crowd that has actually stopped to watch them play, clapping and one of them leaving money in their case.
B). are lots of people with lifejackets moving through the scenery and passing by in slow motion.
C). is a mother and a son riding in a stroller going down an escalator.
D). are kids riding buses around the city and it gets dark pretty fast.
A).