How Does Age Affect the Ability to Learn a Foreign

Multiple Choice

How does age affect the ability to learn a foreign language?​

A) People of any age can learn a foreign language equally well.
B) ​To learn a foreign language, it is necessary to start within the critical period 1 to 6 years.
C) ​The ability to learn a foreign language increases until the late teens and then declines.
D) ​Young children learn easiest, and the ability declines gradually throughout life.