Which of the following describes what you should do in the main sections of the letter that ...

Which of the following describes what you should do in the main sections of the letter that
  accompanies the rsum?
 
  a. Present your best qualifications in the first section; present relevant educational
  background in the next section; and request an interview in the final section.
  b. Present relevant educational background in the first section; present your best
  qualifications in the next section; and request an interview in the final section.
  c. Identify the purpose of the letter and the job you are seeking in the first section; present
  your qualifications in the next section; and request an interview in the final section.
  d. Identify the purpose of the letter and the job you are seeking in the first section; request
  an interview in the next section; and present your qualifications in the final section.