Brazo means arm, and mano means hand. So, brazo is the correct answer:)
Letter C is the correct Cantamela
The answer should be c. La criada because she is the maid. The paragraph says that she enters her clients houses, cleans the house, changes the sheets, that if they need anything she’ll help, bathroom services, and that she basically wants to make a good impression with her clients. Hope this helps. :)
