The correct answer is co-workers.
This group represents an influence because on a daily basis we met each other in the office, work together, we share common goals and responsibilities, and the success of our jobs depends on the correct work of each of the members of the department.
A social group is the number of people that interact with each other and have commonalities, same interests and get together to accomplish something.
They would be owned by the people as a whole - the correct answer is B.
An interesting fact: countries with communist or socialist systems often have the word"people's" in their name, for example;
"People's Republic of Poland" - historical name until 1989
"People's Republic of China" - current name
PSAT stands for Preliminary SAT, where SAT is the Scholastic Aptitude test. It is a standardized test that allows for a nation-wide comparison of students. The results of the test are relevant for the National Merit Scholarship program.