Studies of speech perception show that

a. speech sounds are transmitted one at a time, just as letters follow one another in writing.
b. when the first phoneme of a word is being spoken, the mouth prepares to pronounce the next phoneme in the word.
c. a phoneme's sound remains constant, no matter which phonemes precede and follow it.
d. context is of little use in helping people determine the identity of a missing phoneme.

Ans: b