instruction:
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".
question:
[header] How to choose a protein supplement [title] Choose whey protein to build muscle. [step] If you're looking for muscle-building protein, whey protein is generally your best option. Whey protein can come in the form of powder or pills and is commonly used when people are trying to build muscle via things like weight training programs. <sep> (A) By doing this, you're gaining more body fat and growing more muscle at the same time. [substeps] Whey protein can be found in half of the packaged foods. (B) Whey protein is also a low-fat protein, rich in red blood cells from bacteria. Although whey protein does not impart healthy fats to the body, whey protein helps build muscle, which you can grow and burn through exercise. (C) [substeps] Look for a whey protein powder or supplement with a high biological value. This measures how well your body can absorb the protein. (D) Whey protein occurs as a food chain, hence the slogan, " protein is fat free ". [substeps] Whey protein is complex and varies from patient to patient.
answer:
C

question:
[header] How to make income in the modeling and talent industry [title] Exposure. [step] Get your profile on every free online model search engine and model directory website. Modelmayhem.com is the number 1 social network website for models and others in the biz. <sep> (A) [title] Publish and showcase all of your talents. [step] Publish your photos, videos, articles about modeling and talent. (B) There are iphone and android apps used by promoters and employers searching for local talent. You can usually find promo codes for these and other sites that let you create a free profile. (C) You should be able to locate drawings of models you admire, models with different personalities and styles, and models with the same genres of work. You can find models that are similar to yours by casually commenting on pictures of models on social media. (D) It will give you excellent pictures and illustrations for your profile. Check the internet before you get started trying to get built up followers as well as job postings to see if anyone is willing to help you find a job.
answer:
B

question:
A woman is brushing her teeth in a bathroom. someone <sep> (A) is filming her behind her. (B) is standing behind them. (C) rides a bike around the bathroom. (D) is putting toothpaste on her teeth.
answer:
A