A home appliance company has three factories A. B and C. Factory A is good at producing refrigerators, washing machines and microwave ovens; Factory B is good at producing washing machines, air conditioners and disinfection cabinets; Factory C is good at producing air conditioners and disinfection cabinets. The survey found that if two companies produce the same products, on the one hand, the scale is not economical, on the other hand, there will be vicious internal competition, and there are problems in manpower and equipment for the production of three products in one factory. The leaders of the company called the leaders of the three factories to coordinate their products and made satisfactory decisions. Which of the following is most likely the product selection plan for these plants? ['Factory A produces refrigerators and disinfection cabinets, and Factory B produces only washing machines.', 'Factory A produces refrigerators and washing machines, and Factory B produces air conditioners and disinfection cabinets.', 'Factory B produces washing machines and disinfection cabinets, Factory C produces air conditioners and microwave ovens.', 'Factory B only produces washing machines, and Factory C produces air conditioners and disinfection cabinets.']