单选题   In Canada, citizens, ______ their backgrounds, are free to keep and promote their cultural heritages.
 
【正确答案】 A
【答案解析】[考点] 考查短语辨析。 regardless of“不管,无论”,instead of“代替”,owing to“由于”,according to“依据,根据”。句意为“加拿大公民,不论背景,都可以保留和推广他们的文化遗产”。故选A。