单选题 Due to the fact that universities can not enroll all the candidates, ______ to university is competitive.
【正确答案】 A
【答案解析】[解析] 形近识别
A.admission允许进入;B.affidavit宣誓书,书面陈述;C.admiration钦佩,赞美; D.allegiance忠贞,效忠;admission to university准许入大学,因此A为答案。