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

The digging continues and people start to add rocks in a linear fashion around the rig and dig beside the rocks and eventually cover the rocks with sand. Finally in the tide moves up and starts to destroy the structure that was created. in the end

Choose from: A). it's all just sand and is covered with stickers from dogs and their owners. B). people observe the failing structure and leave while a girl stands in the middle as the water moves up and destroys it completely. C). , twelve men dig with more sand covered around the base of the pit and then grass is shown at the bottom. D). a final scoop is shown for about 400 feet from the site.
B).