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".
Problem:[header] How to make your butt look sexy [title] Build up your leg and butt muscles. [step] The best way to give yourself a sexy butt is to build a sexy butt. This takes a lot of time. <sep> (A) Once you start lifting, you won't see a noticeable difference for 3 weeks. Other people won't start to notice until 6 weeks into working out. (B) To build up muscles, try : [substeps] Jog on the treadmill. As soon as you get home from school, run your whole workout on the treadmill for thirty minutes to two hours. (C) It's much better to build up your legs than to build them up over time. In fact, building up your leg and butt muscles will slow down your metabolism and help your body become healthier. (D) For example, you might be able to build up a little thigh muscle, leg, and shoulder muscles in only a few days. You can work on building up your butt while doing leg work.
Solution:
A