Based on the information in the passage, the author of the passage would most likely agree with which of the following statements about the brain hormone oxytocin? A. Its overall effects require further evaluation. B. In the future, it will be used to cure mental illness and drug addiction. C. It is not useful for people who are already able to interpret social cues. D. Its effects on the brain are unknown. E. It is more effective when dosed via nasal spray than orally.