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 relaxed comfortable alert
Answer
Brief Explanations:
The word "sullen" means gloomy or bad - tempered. "Cheerful" means happy and lively, which is the opposite. The other words "relaxed", "comfortable", and "alert" do not convey the opposite meaning of "sullen".
Answer:
A. cheerful