Final answer:
While waiting for the interview to begin, checking your social media accounts is not something you should do. Instead, you should review your resume and the job description, practice your handshake and body language, and take deep breaths to manage nervousness.
Step-by-step explanation:
While waiting for the interview to begin, there are certain things you should and shouldn't do to make a good impression. The one option that you should not do is C) Check your social media accounts. It is important to focus on preparing yourself mentally and physically for the interview, rather than getting distracted by social media.
Reviewing your resume and the job description (option A) is a good use of time as it helps you refresh your memory on your qualifications and the requirements of the job. Practicing your handshake and body language (option B) is also beneficial as it helps you appear confident and professional. Taking deep breaths and relaxing to manage nervousness (option D) is important for calming your nerves and presenting yourself in a composed manner.