Final answer:
The correct word to complete the sentence is 'vehement', conveying a strong and possibly angry dislike which is unexpected from a Nashville native known for country-and-western music.
Step-by-step explanation:
We didn't expect such vehement dislike of country-and-western music from a native of Nashville. The correct word to fill in the blank is 'vehement', which means showing strong and often angry feelings; very emotional. This fits the context of the sentence as it expresses a strong and potentially angry dislike, which is unexpected from someone from a place known for its country-and-western music roots. The correct answer is a) vehement. Vehement means showing strong feeling or passion. In this context, it indicates a strong dislike for country-and-western music that is unexpected.