单选题 The early stowaways swore their {{U}}allegiance{{/U}} to the nation and received their naturalization papers.
【正确答案】 D
【答案解析】[分析] 名词辨析 allegiance表:忠贞,效忠;A.epithet绰号,称号;B.monition忠告,警告,传票;C.immensity广大,无限,浩瀚;D.loyalty忠诚,忠心;因此D为答案。