Answer:
A. become much more introverted and prefer a quieter lifestyle, a tendency that would increase throughout middle and late adulthood.
Step-by-step explanation:
An introvert which is someone that is always reserved, calmed and even tempered is a great personality trait as the same as an extrovert who is more outgoing, has bostrious lifestyle. There has been researches carried out to see the relationship between the age of an individual and his or personality trait.
This research by the Psychologists shows that as we age, we become more ingrained in our personalities. A mild introverted person would become more introverted as he or she approches middle or late adulthood. This could be seen in most lifestyles of prominent people on earth with most been described as reclusive individual as a result of their introverted nature in adulthood.