______ is a variety of language (usually a native language of a country) which serves as a medium of communication among groups of people with diverse linguistic background.

A．Europeans set out to bring civilization to an unfortunate world
B．the Europeans dominated other countries simply because they were strong
C．the desire of Europeans to colonize other countries stemmed from specific cultural values
D．the colonized countries themselves were to blame for being victimized by Europeans

A．of a long history
B．of new one
C．of delicate design
D．of fashionable design