If You Are Trying to Explain How the Amplitude of a Sound

If you are trying to explain how the amplitude of a sound wave relates to the loudness of the sound that it produces, which of the following statements would you not make?

A) When one is high, the other is high.
B) When one is low, the other is high.
C) Both are determined by the sound's timbre.
D) Both are determined by the sound's wavelength.