Answer: conflict
An internal conflict is conflicting emotions within an individual; it usually is seen in individuals as opposing demands and/or impulses of the heart and mind. We see here that Rainford is approached with an impulse to fight Zaroff however, he recalls some truths that Whitney had faced him with that opposed his impulse to battle Zaroff. Rainford is indefinitely facing a man vs self or you could say, internal conflict.
I Believe it is C, Noun clause
Answer:
Slowly, the ragged group of travellers, climbed the last bill, with a deep weariness and joy profound-struggling on their tired legs and feet, joy kindling new resolve in their hearts.
I hope it's correct
He becomes interested in ensuring ....