Which of the following words best describes Jon Krakauer's tone toward Chris McCandless in this excerpt from Into the Wild?

Nuance, strategy, and anything beyond the rudimentaries of technique were wasted on Chris. The only way he cared to tackle a challenge was head-on, right now, applying the full brunt of his extraordinary energy.

A.
Awed

B.
Skeptical

C.
Condescending

D.
Angry