I THINK ITS B OR A I'M NOT SURE
Which source would be most useful for an editor trying to persuade readers that Michigan needs better roads and bridges?

A report from the Department of Motor Vehicles on how many licensed drivers Michigan has
The Michigan government's report on the condition of public highways and transportation facilities
A graph showing the increase in motor vehicle accidents from 2000 to 2010
A video of a major road near Detroit deteriorating due to winter weather and storms