Rose shudders. The metal men are just like the Borg in all those Star Trek episodes. Resistance is futile. These don’t say the same thing, but the meaning of their words is just as clear.
“You will be upgraded!”
She doesn’t want to become like them, devoid of humanity, a brain stripped of all feelings and emotions, trapped inside a metal body, with only one purpose; to make more just like it.
“You will be deleted!”
That’s even worse. Deleted, erased, scrubbed out of existence. Dead.
The Doctor better have a really good plan to get them out of this.