What is Krakauer's most likely purpose in using the following epigraph? We have in America "The Big Two-Hearted River" tradition:
taking your wounds to the wilderness for a cure, a
conversation, a rest, or whatever. And as in the Hemingway
story, if your wounds aren't too bad, it works. But this isn't
Michigan ... This is Alaska.
-Edward Hoagland, "Up the Black to Chalkyitsik"
A. To provide a connection between Hoagland and McCandless
B. To point out the danger in seeking solace in the wilderness
C. To reference important authors, such as Ernest Hemingway
D. To highlight the American desire to go into the wilderness

D. To point out the danger in seeking solace in the wilderness

glamis thou art, and cawdor; and shalt be what thou art promis'd; yet do i fear thy nature; it is too full o' the milk of human kindness to catch the nearest way: thou wouldst be great; art not without ambition; but without the illness should attend it. what thou wouldst highly, that wouldst thou holily; wouldst not play false, and yet wouldst wrongly win: thou'dst have, great glamis, that which cries, "thus thou must do, if thou have it: and that which rather thou dost fear to do than wishest should be undone." hie thee hither, that i may pour my spirits in thine ear; and chastise with the valor of my tongue all that impedes thee from the golden round, which fate and metaphysical aid doth seem to have thee crown'd withal.  

he lacks ambition.  

he is hesitant.  

he lacks courage.  

he has moral scruples.