The Doctor looked up at Jake, taking in his changed appearance, the fangs, the claw-like nails. He certainly looked a lot more menacing than he used to. "The door to Trinidad, I think." He nodded. "I know you did but I was asking about something different that time."
His eyes flicked to the 'fog' wrapped around Jake and he didn't even think about the possibility Jake might react badly as he levelled the sonic at the tendrils around his legs and tail and pressed the button. Keeping the 'fog' away was always a good thing.