All of the Following Statements About Bilingualism Are True EXCEPT

All of the following statements about bilingualism are true EXCEPT:

A) early studies tended to confound the effects of bilingualism with the effects of specific social disadvantages
B) monolingual children understand at earlier ages compared with bilingual children that words have fixed meanings
C) recent studies suggested that bilingual individuals show advantages in tasks that require a more objective understanding of language and its structures
D) several reports comparing bilingual education programs with English-immersion programs have shown little or no advantage of bilingual programs