If You Favor the General Mechanism Approach to Speech Perception

If you favor the general mechanism approach to speech perception, you would argue that

A) people process speech sounds the same way that they process other kinds of sounds.
B) humans have a special phonetic module that handles all general speech perception tasks.
C) the McGurk effect does not support the general mechanism approach, but most other research supports this approach.
D) people use categorical perception when listening to a language sound; they do not use categorical perception on other cognitive tasks.