David Lightfoot gives the example of Guguyimadjir...

Câu hỏi: David Lightfoot gives the example of Guguyimadjir in order to ______.

A protest against spending millions of dollars to preserve dying languages

B describe how humanity loses all of the knowledge of the world through dead languages

C prove that languages give us insight into different ways humans organize their world

D show how language preservation helps traditional healers in rural areas find new medicines