Final answer:
The word 'un-read-a-ble' has syllable breaks corresponding exactly with morpheme divisions, with 'un-' as a prefix, 'read' as the root, 'a-' as a connective vowel, and '-ble' as a suffix.
Step-by-step explanation:
The word in which the syllable breaks correspond exactly with divisions between morphemes is b. un-read-a-ble.
In this word, each syllable is a separate morpheme: 'un-' is a prefix, 'read' is the base or root, 'a-' is a connective vowel used in many words to make them more pronounceable, and '-ble' is a suffix.
Divisions between morphemes are important in understanding the meaning of words, as each morpheme contributes an element to the overall meaning.
In contrast, the other words listed may have syllable breaks that do not align with morpheme boundaries.