单选题 Exactly how many people experience sttess-related eating______ isn't known, but as the obesity worsens, there's growing scientific interest in the topic.
A. peregrination B. origination C. epidemic D. fragrance

【正确答案】 C

【答案解析】[解析] peregrination“游历，旅行”；origination“发源”；epidemic“疫疾流行，(风尚等的)流行”；fragrance“芬芳，香气”。