Christmas is the anniversary of the birth of Christ, generally celebrated on December 25. It is one of the chief festivals of the Christian calendar and is (51) a social and family holiday. Christmas customs vary from (52) and among groups of different national (53) In most areas, however, homes and public places are (54) with evergreens, Christmas trees, (55) lights, and glittering ornaments. It is the busiest time of the year for merchants, and shops are filled (56) lavish displays and merchandise of all sorts. People send Christmas cards and buy gifts for their families and friends. Children look forward to (57) Santa Claus. They (58) their stockings on Christmas (59) and on Christmas morning they discover the gifts that have been left for them during the night. In the afternoon, families gather to (60) presents and to share the traditional Christmas dinner.
53().
A.people
B.areas
C.origins
D.minorities
参考答案：C
解析：
people和areas不能同national如此搭配使用，不同民族的人民可说people of different nationalities。C项和D项都可以被national修饰，但national minorities指少数民族。National origins意为“民族血统”，这里groups of different national origins指不同民族的后裔，是正确答案。