Is the answer A B C or D

William tries to remember every contact and spends hours memorizing those he puts on paper. He regularly forgets or misdials phone numbers. He often calls clients by the wrong name. What would help William organize his contacts in a more professional and successful way? William should avoid phoning and send postcards instead. William should buy a notebook and write down everything he hears or sees. William should buy CRM soffware to help organize and track his contacts. William should divide up his contact list among employees with each being responsible for a part of the list