The newly–recruited soldiers swore an（ ）of loyalty to their coun

The newly–recruited soldiers swore an（ ）of loyalty to their country.
A、oath
B、promise
C、taboo
D、prejudice
【正确答案】：A
【题目解析】：本题考查词义辨析。oath：誓言，誓约，诅咒（正式而严肃的承诺）；promise：允诺，许诺（表示约定）；taboo：禁忌，禁止；prejudice：偏见。句意：新招募的士兵宣誓效忠国家。故A选项符合题意。