Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to exercise to ease rheumatoid arthritis wrist pain [title] Use the resistance exercise. [step] Hold your hands out in front of you and place your palms flat against each other, as if in prayer. Press your right palm into your left palm, bending it backwards-try to resist the pressure with your left palm. <sep> (A) [substeps] Lower your hands quickly into this position. This can help ease or even stop joint pain, making the exercise more rewarding and more challenging. (B) Repeat this 5 times on one hand, then 5 times on the other hand. [substeps] If any stretch or exercise is painful or fatiguing, stop doing it. (C) Hold the resistance for 45 seconds and release. [substeps] Repeat this exercise four to six times per day, depending on the intensity of the stretch. (D) Hold the position for 1 to 2 minutes. [substeps] Stop once you feel more comfortably capable of supporting your wrist.
B