Question

which best describes abstinence?
saying no to oral sex
avoidance of sexual intercourse
declining to go on a date with another person
refusal to have sexual intercourse or engage in other sexual activity.

Explanation:

Abstinence is the practice of refraining from all forms of sexual activity, which includes sexual intercourse and other sexual acts. It is not just about avoiding intercourse or oral - sex, and not related to dating refusal.

Answer:

Refusal to have sexual intercourse or engage in other sexual activity.