Instruction: Check the correct answer from the options provided. In the hydraulic central and hitch systems of the tractor, the function of the "top hitch" is: Question 16Answer a. to tow trailers and machines that can exert a vertical load or not on the tractor. b. to tow implements and machines that work laterally displaced with respect to the tractor. c. transmit power to agricultural implements. d. to drive agricultural machines such as mowers, seeders and drainage pumps