What happens next in this paragraph?

Various people are seen sitting in tubes and lead into them pushing themselves along and riding down a snowy mountain. more clips
Select from the following. + are shown of people skiing down the mountain and climbing back up into the tubes. + are shown of people riding down the mountain as well as sitting at the bottom and racing with others. + are shown as well as people wearing fancy hats and speaking to the camera. + are shown of the people riding down the mountain and goers speaking to one another on camera.
are shown of people riding down the mountain as well as sitting at the bottom and racing with others.