Which of the Following Is True of the Interpersonal Therapy

Which of the following is true of the interpersonal therapy?

A) Compared to the other therapies, the interpersonal therapy proves to be most efficient for clients with personality disorders.
B) Interpersonal therapy involves applying electrical shock to the head of a person suffering from psychological disorders for the purpose of inducing therapeutically beneficial seizures.
C) Interpersonal therapy uses a combination of techniques, such as encouraging self-exploration, providing support, and providing feedback on the client's ineffective social skills.
D) The first phase of interpersonal therapy involves formulating a treatment plan that focuses on the primary problem faced by the client.