Research shows that sexual dysfunctions among homosexual couples: A. include two distinct categories not included among heterosexual dysfunctions. B. generally are more severe than among heterosexual couples. C. are the same as those seen in heterosexual couples. D. are virtually nonexistent.

The correct answer is - option C.

Explanation:

Sexual dysfunction is the case of disorder persist in sexual process that include various phase of the sexual process except resolution phase. In the homosexual couples sexual experience similar to the heterosexual couples according the researches and studies are performed.

Erectile dysfunction, late or early orgasm, lack of excitement or desire for sex are common in both type of couples heterosexual, and homosexual couples that are experience sexual dysfunction.

Thus, the correct answer is - option C.

they should repeat the experiment with a modified form of material

hope this : )