Martin and Suzy, who are classmates, have an affair with each other. They are in a relationship that has an ingredient of passion. However, they do not have feelings of warmth or closeness toward each other and do not intend to appraise the relationship. According to Sternberg's triarchic theory of love, Martin and Suzy's love relationship is best categorized as:
A) intimacy.
B) companionate love.
C) fatuous love.
D) infatuation.