The passage briefly introduces the types, symptoms, treatment and consequence of depression on the health of people.

A．doctors used to increase drug dosages to control their patients' pain
B．it is still illegal for doctors to help the dying end their lives
C．the Supreme Court strongly opposes physician-assisted suicide
D．patients have no constitutional right to commit suicide

A．Doctors will be held guilty if they risk their patients' death.
B．Modem medicine has assisted terminally ill patients in painless recovery.
C．The Court ruled that high-dosage pain-relieving medication can be prescribed.
D．A doctor's medication is no longer justified by his intentions.