Final answer:
A blog is a website that allows a company to share information, build trust, and receive customer feedback through comments. The correct option is A)
Step-by-step explanation:
The social media platform that allows a company to share information by posting on the site, increase customers' knowledge about its products and services, build trust, and receive feedback through comments is a blog. Blogs provide a space for companies to create and publish content, such as articles, videos, or infographics, to engage with their target audience and establish a two-way communication channel. Customers can leave comments and interact with the company, providing valuable feedback and fostering a sense of community.