Which excerpt from Mary Shelley's Frankenstein most plainly exemplifies a conflict between characters? Choose the best answer.
A: "You are my creator, but I am your master; obey!"
B: Thus ended a day memorable to me; it decided my future destiny
C: "Immense and rugged mountain of ice often barred up my passage..."
D: "I imagined that the monster seized me; I struggled furiously and fell down..."