New words like Mao jackets, kungfu, black belt come into present-day English vocabulary due to　______.[ ]

New words like Mao jackets, kungfu, black belt come into present-day English vocabulary due to　______.[ ]

A.social, economic and political changes

B.an upsurge of learning ancient Roman classics

C.the influence of other cultures and languages

D.the rapid development of modern science and technology

正确答案是C