Answer:
The correct answer is:
(E) Openness to experiences
Explanation:
Carrie's friends differ most strongly on openness to experiences trait, once this trait has to do with imagination and an open mind willing to have new experiences. That is to say, that Steve has developed this trait because he has a sense of curiosity and thinks outside the box, while the other friend Walt, lacks of this capacity due to the fact that he is afraid of new experiences.