Answer:b. extraversion.
Explanation:
Extraversion is a personality trait under which a person enjoys so much fun by being social and outgoing.
An individual who has high score on extraversion is one who enjoys so much going out and having fun.
They enjoy being surrounded by people and always have the energy for the party and are very positive.
They seek highly stimulating activities and can take the center stage at any time.
Grandma initiates regular get-togethers at her neighborhood community hall this is a sign of someone who is full of energy,who takes centre stage and enjoy being surrounded by people.