which word is an antonym for the word sullen? my mother always thought it was strange that some music makes…

which word is an antonym for the word sullen? my mother always thought it was strange that some music makes me sullen. cheerful comfortable alert relaxed
Answer
Brief Explanations:
"Sullen" means gloomy or bad - tempered. "Cheerful" means happy and lively, which is the opposite. The other words do not convey the opposite meaning.
Answer:
A. cheerful