Final answer:
The symptom of sexual aversion disorder paired with the correct therapeutic intervention is avoidance of all genital sexual contact treated by systematic desensitization.
Step-by-step explanation:
The correct answer is A. Avoidance of all genital sexual contact should be treated by systematic desensitization.
Sexual aversion disorder is a psychological condition in which an individual experiences extreme fear, anxiety, or disgust towards all genital sexual contact. Systematic desensitization is a therapeutic intervention that aims to reduce anxiety by gradually exposing the individual to the feared stimuli in a controlled and supportive environment. By gradually overcoming their fear, the client can learn to associate genital sexual contact with positive experiences and decrease their aversion.