Which of the following is true of motive? A. Motive need not be proven by a prosecutor, because it means the same thing as mens rea. B. Motive needs to be proven by a prosecutor in order to prove that a defendant acted purposefully. C. Motive needs to be proven by a prosecutor in order to prove any level of mens rea. D. Motive need not be proven by a prosecutor in order to demonstrate guilt beyond a reasonable doubt