d. No, Marcia would have the right to keep them as against anyone but Carol.
Explanation:
As in the given situation since it is mentioned that Carol forgot her earring at Marcia hair salon after her hair done so it would not be kept with Betty.
As , betty cant keep them as it does not belong to her because the earring is belong to Carol and the Marcia has the right to keep them for against anyone but for Carol
Answer: Marina probably feels helpless ( meaning she feels she wont succeed in the world) although she probably also feels faithful that she will do good next time.