Which of the Following Is the Best Advice for Writing

Which of the following is the best advice for writing the body of a routine request message?

A) Avoid using graphic devices such as lists or headings because they might confuse the reader.
B) Remember that the quality of the information obtained from the request depends on the clarity of your inquiry.
C) Make sure that the body is no longer than one paragraph.
D) Use the reader's name several times in the body to personalize your message.