Astate of intense absorption in someone that includes intense physiological arousal, psychological interest, and caring for the needs of another is called love.
a. romantic
b. endless
c. passionate
d. companionate

C. passionate 

In Sternberg's triangular theory of love involves three types of love; romantic love, companionate love, and passionate love. These three are needed to form the consummate love where it is defined as the wholeness of one's psychological arousal, physiological reaction and interpersonal transactions are met. 

The answer is C. Passionate

According to psychologist Robert Stenberg, there are :
- Intimacy
- Passion
- And Commitment

When the state includes psychological and sexual interest, it's categorized as passionate love

The correct answer is a. we know this because n (hap) + n (hap) = 2n (dip).