Person, place, work, thing, etc.
I'm pretty sure it's "the baby cried" because an independent clause can stand alone and that can stand alone.
Referent power is gained by a leader who has strong interpersonal relationship skills.
A person who has strong referent power is usually a leader who has great charismatic traits and strives to make others feel comfortable and happy.\ in his/her presence.
Answer B changing i think it fits better than any other answer.