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

There are some people water tubing down a river. one of the tubers

Options:
[A]. makes it up onto the higher rocks where he joins another tuber on the lower rocks..
[B]. comes on a blue tube wearing a yellow helmet and blue vest is followed by several tubers also on blue tubes..
[C]. falls off of one of his boards..
[D]. almost goes over a high bar while going down..
[B].