Regarding the Use of Telephone Counseling, Which of the Following

Regarding the use of telephone counseling, which of the following statements is FALSE?

A) Some legitimate therapists use the telephone to calm or advise clients between therapy sessions.
B) Research has shown telephone counseling helped improve the success rates for smokers as well as benefiting depressed people.
C) Commercial telephone therapists are credentialed and licensed just like face-to-face therapists.
D) Telephone therapy is seriously undermined by a lack of visual cues and personal contact.