Steven and Diane, Two Young Adults Who Live in Different

Steven and Diane, two young adults who live in different cities and do not know each other, have learned recently that they are HIV positive following sexual intercourse with infected partners. What changes in their behavior are most likely to occur in the future?

A) Both Steven and Diane will now abstain from sex completely.
B) Steven will abstain from sex, but Diane will continue to have sex.
C) Both Steven and Diane will continue to have unprotected sex.
D) Both Steven and Diane will be sure to tell future sexual partners that they are HIV positive.