That's almost easy to answer: she lets out another low howl that easily passes for a "noooooo." If it makes the larger Andrew feel any better, her tail is wagging.

Fortunately, between the three of them, they manage to remember the directions. There's a bit of debate at the third fork, but by that point they're close enough that Daine can smell the medbay, so she breaks the Andrews' tie and leads them down the left-hand passage.