I think it’s B, since while an actor has a role, a doctor works in medicine, like a teacher would work in a school.
Duplicity means deceitful, so if there should be an option along the lines of "Liar" or "Double-sided"
Main ideas are often found at the beginning of paragraphs. The first sentence often explains the subject being discussed in the passage.
Materials such as a stick, a bunch of rags and a flower become objects of Pearl’s witchcraft. Without any physical change, Pearl allowed the things around her to become puppets in her inner drama.