'Bad Wolf' had pretty much clinched it, but there was one more thing the Doctor wanted to know. "Donna, please, think…try to remember…the blonde woman…when she gave you the message for me, what exactly happened?"
"I'd been hit by the truck," Donna said slowly. "I was lying in the road…"
"She held your hand, and stayed with you, so you wouldn't die alone." The Doctor's tears were flowing freely now.
"Yes. But how could you know that?"
"It was Rose."