You just say that, even though you look human, you're a predator, and you still retain the predatory instincts you had before you became what you are now.
Rin doesn’t seem satisfied with that answer, but doesn’t say anything. Instead, she turned away, and started looking into what there was left in the kitchen, that she could cook, all while trying to hide how nervous she was.
She asks if you always bring the people you eat back to life, and if there's a limit to how many times you can do it.