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, 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.