All of the Following Activities EXCEPT __________________ Will Distinguish You

All of the following activities EXCEPT __________________ will distinguish you as a professional,serious person,worth the interviewee's time and effort.

A) sending emails or letters that contain spelling and/or grammar errors.
B) giving your interviewee in advance a list of topic areas and questions you hope to cover.
C) following up with a second letter e-mail or phone call to confirm your interview.
D) sending a letter of thanks after the interview.