The correct answer is C. Introduce you to an employer.
Explanation
A Cover Letter is a document used to present to an employer, usually one page and no more than three paragraphs. In it, you must summarize your studies, your work experience, who you are, in general, basic information. You can guide yourself taking into account that it is a way of telling the story of your life in short, you should also emphasize what makes you the perfect candidate for that position. So, the correct answer is C. Introduce you to an employer.
