What was most likely one of Krakauer's purposes in writing two chapters about his own Alaskan experience?

A.
To prove that he knows how difficult it is to survive in Alaska

B.
To let readers know that there are many dangerous places in Alaska

C.
To try and imagine what might have inspired McCandless

D.
To demonstrate how much better his survival skills were than McCandless's

C. To try and imagine what might have inspired McCandless