Marge wants her daughter lisa to improve her study skills. how could marge use positive reinforcement to achieve this goal? a. she could take candy from lisa (something lisa likes) every time lisa does not study. b. she could give lisa candy (something lisa likes) every time she studies. c. she could give lisa spinach for dinner (something lisa hates) every time she studies. d. she could take spinach (something lisa hates) from lisa's dinner every time she studies.