"It doesn't," he said with a little shrug. Of course it did and he took her answer to mean that she'd been here for longer than a day or two before winding up in prison. He filed that away for later - they could get back to the issue of the escapees now. His attention, however, was momentarily taken by the shouts of another, to which he stepped away and answered.
Having turned his attention back to the girl, the man laughed at her words. "If I was worried about what some people think of me, I wouldn't have come down here in the first place." Or locked them all in cages, but that really went without saying.
"Now, where were we?" he took a step back in the direction of her cell. "I told you that this was an experiment from which I hoped to learn something. If I tell you what that is, there's a reasonably high chance that you will lie to me. So if you won't tell me what you heard, I'll be moving on."