That depends on how you look at it

Miss Fredson stormed into the classroom from the hallway. "What is going on here?" she cried indignantly, "Jane why are you lying here in your underwear?" I tried to answer but was roughly interrupted by Rex, who replied that I was teaching biology and specifically the female body. Since there was no female model present, Miss Jane said she would volunteer for it herself. I could not believe my ears. "Is that true, Jane? What an excellent idea." "N-n-no," I stammered. "Not so modest Jane, you know what? As your supervisor, I'll keep watching you get on with it. Then I can include that in your assessment." There went my only hope for a little help, notably a woman who further humiliated me. What should I do, what does she expect from me?