单选题 Which of the following is true?[A] The fisherman thought it must be a golden chain.[B] The fisherman thought it must be a fish.[C] The fisherman thought it could not be a fish.
【正确答案】 C
【答案解析】[解析] 根据第一段的最后一句可知，渔绳太沉了，他觉得不像是鱼。