In English phonology, the word "presumption" undergoes a process where the underlying /z/ in "presume" surfaces as [ʃ] when followed by the suffix "-tion." Which phonological process best describes this alternation?
AAssimilation in voicing only, since /z/ becomes voiceless [ʃ]
BDissimilation, since the two adjacent fricatives become less alike
CAssimilation in both voicing and place of articulation正確答案
DEpenthesis, since an additional sound is inserted between morphemes
答案與詳解
