Write the next sentence in this paragraph:

How to prepare your spa for winter
Add whirlpool rinse 24 hours before you drain the spa.
Whirlpool rinse removes & dissolves accumulated bath and body oils that build up in the plumbing lines, and impair proper jet action.
Drop in the submersible pump to remove the old water from the spa.

Options:
[A]. Shut off the current faucet to remove water from the piping areas. Remove the old water line with disposable wrenches that contain coiled hair and clamps.
[B]. Check the tub hose several hours prior to you be in. Check it again in the morning and evening to make sure everything is balanced, and be prepared to deal with the breakage.
[C]. Begin vacuuming by hand using the circular motions in the cold water bucket. Only ensure any remaining water is vacuumed from the pipes in the new spot.
[D]. While the submersible pump is removing the water, reach into your skimmer and remove your filter. Place your cartridge filter in a bucket of water and filter clean solution, which will degrease your filter.
[D].