a. Oral Sex - this still causes transfer of sexual fluids which can spread HIV. Technically if sexual fluids come in contact with toilet seats or clothing (underwear, etc), than HIV can be spread through those. But the chances of contracting HIV must be slim for those options since the fluids need to find a cut or an open blood vessel to enter.
It seems that you have missed the necessary options for us to answer this question, so I had to look for it. Anyway, in "The First Seven Years" by Bernard Malamud, the character's <span> life lesson that conveys the story’s main idea is FELD. Hope this answers your question.</span>
It seems that Anna is forced to grow up because of the context she is leaving in. She might not fully understand what is going on in depth however, she knows that something is wrong, that she might be scared and enjoy life day by day. It is not possible to see her with nowadays eyes, because of the social context and the situations she might have to deal with. She might be quite aware of her role within her family and people around her.