I believe the answer is: A. An elementary student with special needs
Advocate meant speaking in favour of other people in order to support them in a certain way. We need to advocate the people who are either do good in society or facing huge adversities in their life. Elementary students with special needs are considered to be a group of citizens that would face a huge adversities in their life and need to be supported.
Refers to the ability that a person has to remain stable and be balanced.Negative emotions are experienced by people that have high tendencies of neuroticism.