Answer:
The correct answer is letter "C": an interactive whiteboard.
Step-by-step explanation:
Interactive whiteboards are used in schools to make classes more dynamic since this tool allows teachers to write on the projected image of the whiteboards interacting with the information that is being portrayed. Besides, as it is connected to a computer that is connected at the same time with a projector, videos can be displayed that could make students understanding easier.
The computer is typically connected to an audio system to complete the interactive learning in classrooms.