Which of the Following Would Be the Best Statement to Include

Which of the following would be the best statement to include in a cover letter?

A) I believe I have the knowledge, skills, and interest to make a valuable contribution to your team.
B) I know that my interest, experience, and abilities put me far ahead of competition for this position.
C) I am enthusiastic about working at your company, and really hope you realize that I'm the best candidate for this position.
D) I feel confident that my unique skill set and experience make me the perfect candidate for the job.
E) I am sure you agree that my credentials are exemplary, and coupled with my great interest and desire to work for your company, make me the perfect fit.