[ D-0 doesn't seem uncomfortable by Rose's presence and with a mixture of beeps and broken Basic he says "I-i-i know R-r-r-rose." Rey raises her eyebrows. ]

Oh, I guess he met you when he was with Finn and Poe. We found him on a wrecked ship, abandoned. He was with me when I woke up back here. That thing I told you might happen when we first met here? It happened.