Parents of a Teenager Recently Diagnosed with Serious Mental Illness

Parents of a teenager recently diagnosed with serious mental illness express dismay.One parent says,"Our child acts so strangely that we don't invite friends to our home.We quit taking vacations.Sometimes we don't get any sleep." Which nursing diagnosis best applies?

A) Impaired parenting
B) Dysfunctional grieving
C) Impaired social interaction
D) Interrupted family processes