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

How to make colored bubble art 
Find a place that can get messy or that is easy to clean up. 
Bubbles are sticky to begin with, but colored bubbles can stain as well. Head outside or cover your table and floor with lots of newspaper.

Choose from:
 (A). Plastic is the best option because it won't scratch your work surface at all. Toss colorful bubble art art pieces into your suitcase or backpack as soon as you wake up and tape them so that they'll stay bright..
 (B). Consider setting off the lights once you turn the music off. Lay down a couple of bubble brush shakers or blocks..
 (C). It would be a good idea to put on an old shirt or a smock as well. Set a sheet of paper down on the table..
 (D). Use a permanent marker to stencil your bubbles. If you aren't able to stencil everything your work will be ruined..
(C).