It is. It is far too familiar, something that Caecilius has never been. Thankful, yes, but never less than what Donna would consider stuffy. Different time periods, and all.

She ends up picking the route that takes them a bit further in to a populate area. Her brain is turning, thinking, although in the end she ends up just blurting it out. "You're not Caecilius, are you? So the question is, who are you, and why are you wearing his face? If you want something, I don't have anything. My mum will tell you to keep me if you're looking for a ransom."