Which of the Following Statements About Inquiry Letters Is Least

Which of the following statements about inquiry letters is least accurate?

A) Address the letter to a specific person.
B) Provide all of your contact information so that you can be reached easily.
C) Do not enclose a self-addressed,stamped envelope,as doing so is presumptuous.
D) Say thank-you and offer to follow up.
E) All of these statements are accurate.