Read the excerpt from "On the Mountain.”

That's when it happened. A three-hundred-year-old Douglas fir extended a root like a big, gnarled foot across the path and, not seeing the hazard, Jess fell right over it and landed hard on her knee. For a moment she just stayed there, blinking back the tears that threatened to fill her eyes.

What type of conflict is described in this excerpt?

O character versus self
O character versus character
O character versus society
O character versus nature​