If a researcher were interested in understanding how much the NRA spent in each state, what visual could be created to accurately display this information in the bar graph? (A) A table that gives details about the home states of candidates receiving money from the NRA in 1994 (B) An infographic that explains how the NRA has helped candidates win elections in the South (C) A pie chart that shows the amount of money the NRA spent in each state since 1992 (D) A map showing the dollar amounts spent by the NRA in each state since 1992