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：C