Which Statement About the Stability of Temperament Is True

Which statement about the stability of temperament is true?

A) Temperament, by definition, is a style exhibited primarily during infancy and thus does not persist into childhood.
B) All temperamental dimensions are stable from infancy into later childhood.
C) No aspects of temperament are stable from the prenatal period into infancy.
D) Some aspects of temperament tend to be more stable than others.