Anna and Her Family Moved to Germany When Anna Was

Multiple Choice

Anna and her family moved to Germany when Anna was thirteen years old and her brother Andrew was four. Even after many years of speaking and reading the German language, Anna still struggled with the language compared to Andrew who easily switches between English and German when necessary. The fact that Andrew was able to master this second language faster and better than Anna is evidence for

A) a language acquisition device
B) gender differences in language acquisition
C) social learning processes in children
D) a sensitive period for language acquisition