Final answer:
Victor Frankenstein thought the monster would confront him on his wedding night and prepared to fight, which aligns with option C of the provided choices.
Step-by-step explanation:
Victor Frankenstein interpreted the monster's threat, "I will be with you on your wedding night," to mean that the monster would target him, Victor, on that occasion. Consequently, Victor took precautions by preparing for a confrontation with the monster. On the night of his wedding, he feared for his own life, believing that he was to be the victim of the monster's vengeance. Thus, the correct answer is C) the monster will confront Victor; he prepares for a fight.