A.？ Five people.

B.？ 4 people

C.？ Three people

D.？ two people

Medical insurance fund refers to the special fund for basic medical insurance for employees raised by medical insurance agencies from units and individuals according to the relevant provisions of the state. The basic medical insurance fund consists of two parts: social pooling fund and individual account, which are paid by employers and employees according to a certain proportion.

Medical insurance belongs to the business scope of labor security. All the basic medical insurance premiums paid by the insured are included in the account; The basic medical insurance premium paid by the insured unit, except for the part credited to the account, is all used as a unified fund, which is managed by the medical insurance agency and used in a unified way.

Personal accounts are mainly used to pay for outpatient and drug purchase expenses, and the overall fund is mainly used to pay for medical expenses of insured persons for hospitalization, outpatient specific projects and some chronic diseases and family beds.

The serious illness medical assistance fund is used to pay the hospitalization medical expenses above the maximum payment limit of the basic medical insurance pooling fund of the insured. The medical insurance fund is a reserve fund in the form of money. The raising of medical insurance fund and the reimbursement of medical expenses are both in monetary form.