3. Which main idea is supported by this detail? Listening to music increases brain activity. A: Many students prefer playing a musical instrument rather than just listening to music.
B: It can be particularly helpful to listen to soft, classical music while completing homework.
C: Laughing, listening to music, and exercise all increase serotonin, also called the happy hormone.
D: Music has been known to have a direct impact on a person's mood and emotional state.