Twyla Is a Young Adult,but Has Always Seemed "Older and More

Twyla is a young adult,but has always seemed "older and more settled." Although she has always had a lot of friends,they know that she is not the type to experiment with drugs or "get drunk" and do something foolish.Twyla would most likely be described as

A) introverted-perceptive.
B) extrinsically motivated.
C) self-actualized.
D) low in sensation seeking.