单选题
That MGM Grand Youth Center is open to children 3-12 years old ______ what hotel they are staying in.
【正确答案】
B
【答案解析】[解析] 本题考查对惯用法的掌握。四个选项中只有regardless of是固定用法,意为“不管,不顾”。再例如:The law requires equal treatment for all,regardless of race,religion,or sex.(法律要求对一切人平等,无论其种族、性别及宗教信仰。)