After Encountering a Number of Patients Who Had Physical Problems

After encountering a number of patients who had physical problems without any apparent physical cause, Sigmund Freud reasoned that the causes must be psychological and beyond his patients' conscious awareness. For example, one of his patients, a woman named Anna O., sometimes developed paralysis in her limbs, even though there was nothing physically wrong with her. Based on his observations, Freud eventually developed a theory he called psychoanalysis. What was Freud actually analyzing?

A) internal, mostly unconscious psychological forces
B) physical causes of psychological problems
C) how the environment is constantly affecting our behaviour
D) how people find ultimate meaning in their lives
E) evidence-based practices for maximizing happiness