It Was Thought That Lobotomies Could Effectively Treat the Symptoms

It was thought that lobotomies could effectively treat the symptoms of schizophrenia and other disorders because:

A) cutting the nerve pathways that produce abnormal thinking should prevent such thinking from occurring.
B) animal studies showed that this procedure calmed animals that were easily agitated.
C) therapists were desperate to try anything that might help those with the most severe symptoms.
D) they could be performed quickly and easily with almost no side effects.