16. The allomorphs of the plural morpheme are determined by the last sound of the singular noun to which the morpheme isattached. The allomorphs of the past-tense morpheme are determined by the last sound of the verb to which the morpheme isattached. There is striking similarities in the processes required to generate the correct forms of these inflectionalmorphemes. Which of the following description is incorrect?
(A) There is a schwa insertion process as schwa is inserted before a word-final /z/ that follows a morpheme ending in asibilant.
(B) There is an assimilation process as word-final /z/ is devoiced following a morpheme ending in a voiceless sound.
(C) There is a schwa insertion process as schwa is inserted preceding a word-final /d/ that follows a morpheme ending in avelar stop.
(D) There is an assimilation process as word-final /d/ is realized as [t] following a morpheme that ends in a voiceless sound.