Passage: Christmas CardsWhen were the Christmas cards bought？（ ）
A、These are from last century
B、These are from yesterday
C、These are from last year
D、These are from last month
【正确答案】：C
【题目解析】：根据《圣诞贺卡》可知：这些圣诞卡片是去年买的。A选项“上个世纪”，B选项“昨天”，D选项“上个月”均不符合题干要求，故选C选项。
