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 frolic [title] Find an area fit for frolicking. [step] This can be an open space such as a park, your backyard, or a rich friend's living room that has more space. Anywhere is good, as long as it doesn't constrict you or limit your mobility. <sep> (A) [title] Don't train in cold conditions. [step] The cold cold air and cold temps affect your circulation and also decrease strength in the muscles. (B) [title] Don't be ashamed! [step] Frolicking is a natural thing. If you're hesitant to frolic in a public place, go ahead and find somewhere cozy and private. (C) Wherever you are, try to choose an area that may cover a lot of space. [substeps] For instance, a pond or creek with other bodies of water is a great area. (D) [substeps] Keep the area where you frolic soft and shady. Cover the whole area with old papers or paper towels.
B