You Have Just Returned from an Interview with a Company

Multiple Choice

You have just returned from an interview with a company, and you are considering the appropriateness of a thank-you letter or note. The thank-you message:

A) is not necessary if you thanked the interviewer in person after the interview.
B) should be sent promptly in order to be effective.
C) should be sent by mail rather than an email to give you a competitive advantage.
D) should include a reminder that the application for the job is on file.