Biology Forums - Study Force

Cooperation is behavior in which ________.
A) individuals work in parallel with others to achieve common goals
B) groups of people work together to achieve shared goals
C) groups of people are persuaded to work towards a single goal
D) groups of people work together to achieve one individual's goals
E) individuals work in succession to others to achieve common goals

I guess it's A
http://www.businessdictionary.com/definition/cooperation.html

Thanks.