Answer:
The answer is D, All of above.
Step-by-step explanation:
A prospecting cover letter goes together with your resume when applying to a company that may not have recent openings. These letters emphasis on how your skills and experiences match the work environment rather than concentrating on a specific position.
An application cover letter is a document sent with your resume to make available additional material about your skills and experience. It is intended to provide complete information on why you are a competent candidate for the job.
A networking cover letter is is sent throughout your job pursuit to get help from a contact in your industry or career field and to introduce yourself to a possible employer.