Final answer:
In Jon Krakauer's 'Into the Wild,' Jan Burres notices Chris referencing 'Walden' by Henry David Thoreau. Option C
Step-by-step explanation:
The book that Jan Burres notices Chris referencing is C) "Walden" by Henry David Thoreau. This detail is found in Jon Krakauer's narrative nonfiction book Into the Wild, which chronicles the life and adventures of Chris McCandless.
McCandless was known for his interest in transcendental philosophy and his desire to live a life of simplicity and self-reliance, which is a central theme in Thoreau's "Walden". Into the Wild is often compared to Thoreau's work because both explore the idea of retreating from society to find a deeper meaning in life. Option C