Holly Brooks Has Just Received a Call from Lisa,one of Her

Holly Brooks has just received a call from Lisa,one of her clients,informing her that she is in labor and will be arriving at the hospital shortly.Holly changes her plans for the day and reaches the hospital to assist Lisa throughout her labor.She reminds Lisa of all the relaxation techniques they had practiced,and she provides her with support and encouragement when the pain becomes intolerable for Lisa.She also communicates Lisa's needs and concerns to the doctor delivering her baby.Once the baby is born,Holly places the baby on Lisa's chest and smiles.Holly is most likely to be Lisa's

A) obstetrician.
B) gynecologist.
C) doula.
D) emergency physician.