Under the "Medicare for All program that was proposed by several 2020 Democratic presidential candidates, a system would be established in which OA. the federal government would pay for all medical care O B. only people working for companies that employ fewer than 100 people would receive free health insurance from the government OC. everyone would be required to purchase health insurance from a newly formed government health insurance brokerage. OD. all private health insurance plans would be supplemented by a government health insurance plan