In the Context of Writing a Cover Message, Which of the Following

Multiple Choice

In the context of writing a cover message, which of the following sentences is the best way to present your work experience?

A) I held a position as sales manager for three years.
B) As a sales manager for three years, I supervised the work of 12 representatives covering a four-state area.
C) You will be pleased to know that I held the title of sales manager for three years.
D) I have had three years of experience as a sales manager during which I fulfilled various other duties.
E) From 2003-2006, over a period of three years, I was employed as a sales manager by the same employer.