Using a separate profile on social networking sites to promote your business allows you to keep your personal and business posts separate can be confusing and is always annoying to everyone is not allowed on most social networking sites for lack of space is inappropriate; business colleagues want to see personal information

A). Allows you to keep your personal and business posts separate.

Explanation:

A separate profile is always recommended and suggested for serving business purposes through social media like advertisement, marketing, or promotion of the business, etc. as 'it allows to keep the personal and business posts separate.' It not only assists in keeping the personal and professional interests separate but also in privacy and control. A separate  profile for business on social media handles also helps display the useful insights to the customers about the brand or products and establish the credibility of the business. Thus, option A is the correct answer.