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 get rid of thigh pain [title] Try the rice method. [step] When you feel thigh pain, you can immediately use the rice method. The rice method is a first aid treatments that can help reduce inflammation and pain, and help with healing. <sep> (A) It's used with muscle strains, sprains, bruises, and other injuries. You use the rice method for the first two days after an injury. (B) [substeps] Use a cloth or cotton ball soaked in lukewarm water to apply the rice to your thigh. Do not knead the cloth or cotton, as this can irritate your skin. (C) Always apply the rice method to your calves while you are lying down to avoid aggravating your discomfort. [substeps] Sit up straight with your feet on a stool, and place one hand on your leg. (D) [substeps] Lay on your stomach with your legs extended over your head so that your feet (behind your knees) are flat on the floor. Clasp your hands behind your back and bend forward at the waist.
A