Which main idea is supported by this detail? Listening to music increases brain activity.

A) Laughing, listening to music, and exercising all increase serotonin, also called the happy hormone.

B) Music has been known to have a direct impact on a person’s mood and emotional state.

C) Many students prefer playing a musical instrument rather than just listening to music.

D) It can be particularly helpful to listen to soft, classical music while completing homework.