Regarding the Use of Psychosurgery in the Past Several Decades

Regarding the use of psychosurgery in the past several decades, which of the following statements is/are TRUE?

A) Some critics argue that psychosurgery should be banned altogether.
B) Psychosurgery would most accurately be described as an experimental procedure.
C) Psychosurgery has shown value as a remedy for some very specific disorders, such as severe obsessive-compulsive disorder.
D) All of these statements are true.