K-9 starts to scan her without her permission. "Oh, I see."

The Doctor glared at him. "K-9, that was rude!"
"Master?"
"This isn't our home universe. It's a causal nexus. It's rude to scan people here without their permission." He actually means without him telling the dog to do so, but who's counting? "If there's something you would like to know, try asking her."

"Very well, Master." He directs his question to the other dog. "What kind of shifter? There are many."