Which of the following statements is INCORRECT？A．The current problem that Sierra Leone fac

Which of the following statements is INCORRECT？

A．The current problem that Sierra Leone faces is the medicine insufficiency.

B．Free medical service will include the healing of some contagious diseases.

C．It would take a large sum of money to provide the basic medicine.

D．The biggest beneficiaries of the medical welfare are children and old people.

请帮忙给出正确答案和分析，谢谢！