单选题 In its 14 years of______, the European Union has earned the scorn of its citizens and skepticism from the United States.

【正确答案】 C

【答案解析】解析：endurance派生自动词endure，意为“坚持，忍耐”；emergence派生自动词emerge，意为“出现”；existence派生自动词exist，意为“存在”；eminence意为“出众，显赫”。