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

How to win at arm wrestling
Place your right foot forward if you wrestle with your right arm, and vice versa.
Your weight will shift from your forward foot to your back foot.
Curl your thumb.

Choose from:
(A). After both people bring their hands together, put your thumb underneath your fingers. Doing this helps will help execute a technique called the top roll.;
(B). On the outs, do not let your thumb touch the floor. Keep your back flat while your feet center themselves on the floor, and go near the comfort of your hand on the mat.;
(C). If your left foot is placed back, twist your body to move your weight to that side. While twisting from the right side, place your right elbow against the center of your body with your left hand leaning your right wrist forward.;
(D). You want it to be close to your body, as if you were supporting a car. Place your left foot forward if you wrestle with your left arm, and vice versa.;
(A).