Which of the Following Is the Typical Order of a Business

Which of the following is the typical order of a business letter, from top to bottom?

A) Date line, inside address, reference initials, salutation, body of letter, complimentary close, keyed signature
B) Inside address, date line, salutation, body of letter, complimentary close, keyed signature
C) Date line, inside address, salutation, body of letter, complimentary close, keyed signature, reference initials
D) Date line, inside address, salutation, body of letter, complimentary close, reference initials, keyed signature