Answer:
C. Tension
Explanation:
(Note: I answered this question to the best of my knowledge because the passage wasn't included)
The effect that the author creates as John Messner struggles to maneuver in the unmarked wilderness is "tension".
First of all, the setting were he is found will be the first thing that will start building tension in the readers. Also, as he struggles to maneuver, the tension increases. Tension is usually seen and manifested through a buildup of suspense. This suspense tends to heighten or increase as the protagonist's situation or incidences change.
