Which of the following statements is TRUE about dopamine? A. The brain's purpose in releasing dopamine is to naturally discourage healthy behaviors. B. The release of dopamine as a result of drug use tricks the brain into believing the drug is good for the body. C. The release of dopamine as a result of drug use promotes normal brain functioning. D. Drug addicts often have a decreased toleration for dopamine after prolonged drug use. Please select the best answer from the choices provided.