D. Avoid being with others who smoke
Hope this helps :)
Sex can have negative health consequences. Negative outcomes include, unwanted pregnancy, sexually transmitted infections, internal injury etc.
The ease of speaking during exercise. The theory is, if it’s harder to talk, then you’re activity doing exercise at a higher intensity level.
I believe the best answer would be D.
This is because the other answers don't really seem too encouraging. For example, the first one is basically saying she doesn't have any skill by saying "you might get lucky". The second one is just common sense that it's discouraging. The third one isn't encouraging either because it's saying that there's a chance she might mess up with the words "What's the worst that could happen?"
Hope this helps.