Charles grunts an affirmative to that, rubbing his eyes to try and focus on what was going on. In a car...Erik driving...he had some memory gaps though that he couldn't account for. Some hazy memories of the mansion and people trying to sedate him with needles.
"Is it safe?" is the first question out of his mouth. He's not entirely sure why he asks it, it just seems the most important thing at the time.