There's a lot of other things that he's saying right now. But Alice ignores those for now - perhaps because she's already having a hard time focusing under their current circumstances - to zoom in on the thing that really matters about what he's saying here.

That he does care about her, despite what it accidentally sounded like a few moments ago. That there is someone here who cares about her at all.

".. thank you," she slowly says. Alice is no good with politeness or formalities of any kind, but it would feel plainly wrong to not say that under these circumstances. "Hearing that means a lot to me."