Final answer:
The final stable syllables of the word "terrible" are ter-ble and ter-ra-ble.
Step-by-step explanation:
The final stable syllables of the word "terrible" are option C. ter-ble and option D. ter-ra-ble.
In option C, the syllable "ter" is a stable syllable because the consonant "r" follows the first vowel "e".
The syllable "ble" is also stable because the consonant "b" comes after the vowel "e".
In option D, the syllable "ter" is a stable syllable for the same reason as in option C.
The syllable "ra" is stable because "r" follows the vowel "a", and the syllable "ble" is stable because "b" follows "e".