The emergence of English as the de facto world language has __ a comparative advantage in the production of books, movies and popular music:

The emergence of English as the de facto world language has __ a comparative advantage in the production of books, movies and popular music:
A.given non-English-speaking countries
B.given English-speaking countries
C.had no effect on which country has
D.given all countries
正确答案：given non-English-speaking countries