On which of the following statements would the author most probably agree？[A] Non－Ameri

On which of the following statements would the author most probably agree？

[A] Non-Americans add to the average height of the nation.

[B] Human height is conditioned by the upright posture.

[C] Americans are the tallest on average in the world.

[D] Larger babies tend to become taller in adulthood.