Which does NOT lead to the fact that patients of schizophrenia frequently cannot get effec

Which does NOT lead to the fact that patients of schizophrenia frequently cannot get effective treatments？

A．There is too much for the medical system to take.

B．Some patients cannot afford the cost of the treatment.

C．Some patients just have no knowledge of the way to get help.

D．Some patients are not well-educated and can not find the way to get help.

请帮忙给出正确答案和分析，谢谢！