Writing a Thank You Note Shortly After the Interview,even an Interview

Multiple Choice

Writing a thank you note shortly after the interview,even an interview that went poorly,

A) is an opportunity to tell them of additional research you conducted.
B) is an opportunity to outshine other candidates.
C) is unnecessary unless you interviewed with the hiring manager.
D) provides a chance to modify an answer given during the interview.
E) is a chance to press for a higher salary offer.