Which of the Following Would Be the Best Opening Sentence

Multiple Choice

Which of the following would be the best opening sentence for a solicited application letter?

A) "I'm sure you get these letters all the time, but I hope you'll read mine carefully."
B) "I need a job, and I am very hard worker, so in my opinion you can't go wrong in hiring me for any number of different positions."
C) "Based on my extensive training in forensic accounting, I think I may be of help to your rapidly expanding forensic department."
D) "I am clearly the best person for the job you've advertised."