The wolf doesn't lift it's head. But the ears? The ears are definitely turned towards Jacobi.

Jon doesn't say word about that, but he winces, intensely, as Jacobi mentions-

"Who was- that is, I'm assuming someone here has-" He pauses and tries to collect himself. Because there's a terrifying option and a less terrifying option and he's hoping it's the less terrifying one.

"What was their name? I-if you don't mind me asking."