Which of the Following Statements Best Displays Appropriate Levels of Both

Which of the following statements best displays appropriate levels of both confidence and politeness?

A) I hope you will have some time available to consider my qualifications for this position. Please contact me at (123) 555-5555 if you would be able to set up a time.
B) I am eager to meet with you to discuss my qualifications for this position. Please contact me at (123) 555-5555 to set up a time.
C) I am clearly a solid candidate for this position. Call me at (123) 555-5555 to get this thing going.
D) I hope you will be able to consider me for this position. Please contact me at (123) 555-5555 if you would be able to meet with me. Thank you for your time.