You Are a Psychiatrist in the 1930s Who Has Decided

You are a psychiatrist in the 1930s who has decided to begin treating your patients diagnosed with schizophrenia with a new treatment known as "electroconvulsive therapy" instead of the traditional "insulin shock therapy." What is the most likely reason for this decision?

A) You believe that insulin therapy is too expensive.
B) You believe that insulin therapy is too risky.
C) You believe that insulin therapy is not effective.
D) You believe that insulin therapy is unethical.