There are cases where a consonant or a cluster could be either the coda to the first syllable of a word, or the onset to the second, we can say that it fulfils both functions, for instance, the /b/ in rabbit, the /st / in posting, the /n/ and /m/ in cinem This is known as ___________.
A、 syllabicity        
B、 bi-syllabicity        
C、 syllabification        
D、 ambisyllabicity