The Goal of White Papers Used by Marketers in a B2B

The goal of white papers used by marketers in a B2B marketplace is to:

A) promote a product or solution from a specific company in the market.
B) help companies manage their followers, track analytics, and update their posts.
C) encourage companies to set up goals and put up their own money to increase their accountability.
D) provide valuable information that will help the company address its problems with new solutions.
E) help companies gain from expert advice.