What happens next in this paragraph?

How to keep ants off hummingbird feeders
Invest in an ant moat.
An ant moat is a small cup. You place it between the feeder and the tree branch the feeder hangs from.
OPT:
(A). You can top this with another one in your garden. Repeat this process every week for several years.;
(B). Essentially, ants can't get inside but flies won't hurt it. Ask your caretakers what they liked about the moat when they were young.;
(C). Ants are unable to go through the water and get into the feeder. You can buy a moat and attach it to your feeder, following the instructions.;
(D). Then, leave it (somewhat) by itself and rest it in front of the feeders. This can help remove the stink, and contrary to popular belief, one never gets rid of a colony of ants.;
(C).