Abby pauses, ears ringing, but it makes sense for her to ask that. Sort of. Did Ellie say something about it? Enough to allude to there having been a fight, perhaps. She wouldn't have been able to hide all that bruising in the water.

Glancing over her shoulder she says, "Yeah," like a challenge, daring Clarisse to say anything more about it. She isn't angry about it, just tired. Resigned.