单选题 There"s a ______ in the fact that although we"re living longer than ever before, people are more obsessed with health issues than they ever were.
【正确答案】 A
【答案解析】[解析] A项“paradox”意为“似是而非的矛盾说法”;B项“dilemma”意为“进退两难的困境,窘境”;C项“polarity”意为“极;正好相反”;D项“misconception”意为“误解,错误印象”。本句谈到了一个悖论,因此是“似是而非的矛盾说法”,故选A。