Which of the Following Is the Most Accurate Statement About

Which of the following is the most accurate statement about the personality of middle-aged adults?

A) Personality traits are so malleable that extreme changes can occur overnight with exposure to certain life experiences.
B) Personality traits develop as a result of the interaction between biology and the environment.
C) Personality traits are rigidly fixed by biology and are not subject to environmental influences.
D) Personality traits evolve over time, and traits that promote survival are more likely to emerge than those that do not.