Which statement best summarizes the plot of the Divine Comedy?

 A.It centers around the travels of a man who desperately wants to find his lost love so he may spend eternity with her. 
B.It's about a character who speaks out against Catholicism and gets excommunicated from the church. 
C.It's about a man goes to war and compares his experience to visiting Hell. 
D.It tells the story of a man who journeys through Hell and Purgatory so that he can enter Heaven.