"CT knew about Alpha. She knew about Tex. She knew about Charon. I don't think any of us could've believed how dangerous of a position she was in until it was over."

And she regrets that.

Carolina watches South, carefully. "...Do you know what I wanted?"

This isn't a game. It isn't a gotcha, or a trap. Carolina just probes the edge of seeing whether South has bothered to put this together. It's not whether she can, it's whether she's bothered.