Which of the Following Individuals Is Likely to Be a More

Which of the following individuals is likely to be a more effective therapist?

A) Sam, who is trained in all the most current evidence-based treatments.
B) Susan, who is very self-controlled, but conveys sympathy to her clients.
C) Mary, who is very self-controlled and rarely expresses emotions directly to her clients.
D) Andrew, who at times expresses his emotions very assertively.