Answer:
helps a doctor while treating patients.
hope helpful :)
The CORRECT answer to this question would be D. social commentary. Hope this helps you ^~^ Also, I'm 100% sure that's the answer since I just finished up the test. Good luck on it!
Simply put, credentials are college degrees, apprenticeships, certifications or licenses that give you credibility in your work field. They show your employer and your customers that you have the knowledge and skills to perform your professional function.