which among the following is most likely to learn to speak a new language just as fluently as a native speaker? a. 10 months b. 10 years c. a very motivated adult d. a) and b) are both correct e. a) and b) and c) are all correct
Explanation: The ability to learn a new language, at least grammatically, is strongest until the age of 18 after which there is a precipitous decline. To become completely fluent, however, learning should start before the age of 10.