In the context of domination and submission sex between two partners, the amount or degree of pain is controlled by

A) the dominant partner.
B) the more attractive partner.
C) the submissive partner.
D) the less sexually driven partner.

Domination

The exercise of control or influence over someone or something, or the state of being so controlled.

Submission

The action of accepting or yielding to a superior force or to the will or authority of another person.

Pain

An uncomfortable sensation that can range from mild, localized discomfort to unbearable agony, either physical or emotional.