Which of the Following Is the Best Tip for Creating

Which of the following is the best tip for creating a successful cover letter?

A) Use different paper colors and paper types for your résumé and cover letter to create a strong visual impact.
B) Make activities and outcomes, and not yourself, the subject of sentences to reduce overuse of "I."
C) Use a creative letter style to surprise the reader and make a big impact.
D) Keep the focus on your skills and traits through frequent use of "I" statements.