The need for ________ might explain why we "friend" people on social media websites, join clubs or hobby groups, and spend time with others when we might otherwise feel like being by ourselves.

A) achievement
B) affiliation
C) esteem
D) power

Affiliation

The sense of connection or association with a group or organization, often resulting in a feeling of belongingness.

Achievement

The act of accomplishing a goal or attaining a high level of performance through effort or skill.

Esteem

A regard for or a sense of worth or importance of someone or something.