[A] on [B] at[C] to[D] with

参考答案:

D23. D Mental health, therefore, has much to do with how a person copes with the world as it exists.因此，精神健康，和一个人在生活中如何处理身边的事情，有很大的关系。 have…(nothing, little, much, a lot) to do with…：和……(没)有(很大的)关系。