Answer:
The correct answer is A: public relations.
Step-by-step explanation:
Public relations is the profession where a company or an organization deliberately spread information about a certain topic to the public. It is influeced by the interest of the organization that requires the job and it is a form of doing communication in the marketing area. Its main characteristic is that involves the idea of communicating about the topic in a free way, so that the major amount of people get the information the better.