Answer:
B
Explanation:
McCandless was smart, had done his research on living in Alaska and sustaining his life off nature. He learned to hunt, but had little experience. Krackauer's purpose for the book was to bring the reader's attention to the fact that one can never be prepared enough for being alone in an environment that is unforgiving and cruel to the inexperienced, not listening to others like his good friends, and waiting too long before trying to seek help because he was stubborn.
Learn from the mistakes of others...