How is Brigid "like a music
conductor"?

I think the answer is follows her command.
Explanation:
Brigid is like a music conductor because music conductors conduct the musicians to play the music.
Brigid would be considered similar to a music conductor because of the water:
a). follows her command.
Thus, option a is the correct answer.
Learn more about 'Music' here:
brainly.com/question/17644862