The case of man versus nature conflict can be seen/ found in the sentence "What perils that tangle of trees and underbrush might hold for him did not concern Rainsford just then." This sentence is after Rainsford escaped to the forest, eluding the Colonel.
the answer is d. try to kill herself. the doctor is suspicious of something, but 'the means of all annoyance' most likely means anything she can harm herself with.
