Which of the Following Students Provides the Most Accurate Summary

Which of the following students provides the most accurate summary about phoneme pronunciation, as discussed in the section on speech perception?

A) George: "Humans manage to perceive the phoneme intended by the speaker, even though phoneme pronunciation is quite variable."
B) Angela: "Humans tend to perceive phonemes inaccurately, but top-down processing helps to increase their accuracy."
C) Jakob: "Humans have great difficulty with phoneme perception, because most speakers have sloppy phoneme pronunciation."
D) Galit: "Each phoneme is pronounced in a consistent fashion, so that speech perception is remarkably accurate."