What happens next in this paragraph?

There's a lady in green sanding the counter giving out tickets to people who are purchasing them for snow tubing. Several people are out snow tubing down a snow caped slope. people
Choices: A). are standing on the tubing carrying their sticks, and a man holds onto a rope connected to them. B). are going down some very snowy, smooth tubes going down hill. C). are up in the mountain tubing on their snowboards. D). are going downhill on their snow tubes wearing winter gear and goggles.
D).