Answer
B. Cover Letter
Step-by-step explanation
It is a single-page introductory document prepared for the recruiting agent which gives a glimpse of the potential candidate to the recruiter. It gives an highlight of the candidate’s overall strengths and the potentials that present him/her to the position as a great fit for the company. The cover letter typically helps the candidate to stand out from the rest of the recruits and aims at engaging the employer before going through the resume of the candidate.