In O'Connor V

In O'Connor v.Donaldson the Supreme Court ruled that mental illness and a need for treatment

A) were sufficient reasons for involuntary commitment.
B) were insufficient reasons for involuntary commitment if a family member was willing to care for the person.
C) were sufficient reasons for involuntary commitment if the person needing treatment was a minor, not an adult.
D) were insufficient reasons for involuntary commitment if the person was not dangerous.