During an Interview for a Manager's Position,you Find the Supervisor

Multiple Choice

During an interview for a manager's position,you find the supervisor and staff unfriendly.Responses to questions are met with vague responses.After the interview,you decide not to pursue the position.What follow-up,if any,is most appropriate?

A) There is no need for you to do anything further. You likely will not be offered the position anyway.
B) You should file a complaint with Human Resources about the supervisor's lack of interviewing skills.
C) You should send a thank you note to the interviewer, indicating appreciation for her time.
D) You should call and leave a voicemail, indicating your disinterest in the position.