I believe it’s B. Starting the story in the middle
Write much neater I can’t read your answer but the answers are yes. Good luck mate
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.
Buy doing the thing that is dine to be yes