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. comfortable relaxed alert cheerful
Answer
Answer:
D. cheerful
Brief Explanations:
"Sullen" means gloomy or bad - tempered. "Cheerful" means happy and positive, which is the opposite.