Detailed Instructions: 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".
Q: [header] How to gain an inch on your hips [title] Use the stair master. [step] Cardio exercises, like using the stair master, can help build the muscles around your hips and butt. Incorporating the stair master as a form of cardio can help increase the size of your hips. <sep> (A) [substeps] Studies have shown that the stair master recruits about 24% of your glutes and hip muscles. Use the stair master 1-2 times a week for at least 30 minutes per session. (B) [substeps] Start with you hips laying on the ground. Kick your legs back and you're ready to lift. (C) [substeps] To begin, stand with a few inches between your knees and your hips. Push yourself up, lowering your hip bones upwards and extending your arms toward your buttocks. (D) [substeps] Start this exercise by starting your routine near the start of your workout. Your abs should be a straight line from your heels to the bottom of your hips.
A:
A