"... if any real heterosexuals among you were given the choice of being raped by a woman or a man....which would you chose, and which would fill you with horror!"

I suspect the question is somewhat irrelevant. What gender would the hetrosexual be? And rape is rape. Something else that is not a choice to the person being raped no matter their gender or sexual orientation.

I find the very idea perverse and repulsive anyone being raped by anyone, to answer part of your question.

mp