An American Family with Two Children (A Boy and a Girl)moves

Multiple Choice

An American family with two children (a boy and a girl) moves to Germany where both of the children must learn a new language.The girl is 6 years old while the boy is 13 years old.Based on the results on the acquisition of a second language,we would expect that:

A) both children would be able to master the grammar of German about as well as the grammar of English.
B) the girl,but not the boy,would eventually master the grammar of German about as well as the grammar of English.
C) the boy,but not the girl,would eventually master the grammar of German about as well as the grammar of English.
D) neither child would be able to master the grammar of German about as well as the grammar of English.