问题详情

Bilingualism could be described as all the following EXCEPT______.
A．bilingualism is equivalent to biculturalism
B．bilingualism is a controversial issue in the U. S.
C．bilingualism has worked in some areas of the U.S.
D．bilingualism helps minorities to function more effectively in English请帮忙给出正确答案和分析，谢谢！