Lincoln Is a Sales Representative with Simantel, a Marketing Communications

Lincoln is a sales representative with Simantel, a marketing communications firm and enjoys helping companies design their websites and promotional campaigns. He especially appreciates his role since every day brings new challenges and he's always learning since each client has different needs and situations. Which of the following factors affecting the importance of personal selling relates best to Lincoln's position of designing websites and promotional campaigns?

A) Websites and promotional campaigns are custom designed rather than standardized.
B) The pricing for promotional campaigns and websites are relatively low.
C) Lincoln's customers are geographically dispersed.
D) Lincoln has a large number of customers that could be served with website development and/or promotional campaigns.