Which of the following quotations provides evidence of the character's growth?

which of the following quotations provides evidence of the character's growth?

a. "he was losing in his battle with the frost. it was creeping into his body from all sides. the thought of it drove him on, but he ran no more than a hundred feet, when he staggered and pitched headlong. it was his last panic. "

b. "he drifted on from this to a vision of the old-timer on sulphur creek. he could see him quite clearly, warm and comfortable, and smoking a pipe. "you were right, old hoss; you were right," the man mumbled to the old-timer of sulphur creek. "

c. "with this new-found peace of mind came the first glimmerings of drowsiness. a good idea, he thought, to sleep off to death. it was like taking an anesthetic. freezing was not so bad as people thought. there were lots worse ways to die. "

d. "and all the time the dog ran with him, at his heels. when he fell down a second time, it curled its tail over its forefeet and sat in front of him, facing him, curiously eager and intent. the warmth and security of the animal angered him, and he cursed it till it flattened down its ears appeasingly."