What happens next in this paragraph?

How to care for a butterfly with a broken wing
Grasp the butterfly.
Before touching the butterfly, make sure your hands are clean and dry. With the wings closed, grab the butterfly by the wings just above the body.
OPT:
[A]. If the butterfly is already hooked to your finger, it will see you as a hand-held pet. Have a friend hold the butterfly still.;
[B]. You don't need to hold it very hard, just tight enough to keep it from wriggling free. Contrary to popular belief, you won't harm the butterfly simply by touching it.;
[C]. Gently grasp each butterfly's wings and gently grasp along the lower part of the wings (below the butterfly's wings). Gently grasp the butterfly's wings in front of you with the palm of your hand.;
[D]. With your injured hand, you can squeeze the butterfly's wings lightly and then release your hand and set it aside. If you do not have wings at all, you can use the four-way clasp to hold the butterfly in place.;
[B].