Final answer:
In the provided sentence, 'modeled' means to pose, specifically for photographs or artwork that helps promote products for brands. Therefore the correct option is A. posed
Step-by-step explanation:
In the sentence 'She was "discovered" on the street by a downtown casting agency, and modeled in campaigns for brands like Penguin and Levi's', the word 'modeled' means A. posed. To model typically means to act as a photographic or artist's model, which includes posing for photographs or artworks that help promote or advertise a particular brand or product. In the context given, since the campaigns are for fashion brands, it indicates that the person was posing in the clothing made by these brands to help sell them. The woman mentioned took a major step in her life by moving to New York to find opportunities, and one of those opportunities turned out to be modeling, where she posed for brands like Penguin and Levi's.