Which of the Following Accurately Defines the Term Temperament, According

Which of the following accurately defines the term temperament, according to your textbook?

A) Heightened emotional reactivity, typical of artists and musicians
B) A strong dispositional tendency to experience anger and negative emotion
C) Consistent individual differences in how babies react to the environment, including differences in emotionality
D) One's level of emotional maturity, in terms of emotion regulation ability.