[He's not saying that. John gives Sherlock a look.]

Three days. She told me the main event would start in three days two days ago, detective. All of this was the opening act. D'you really want us to slow down? She's only on C, and it might-

[He cuts himself off for a moment as something clicks.]

Lestrade, I think you should be very careful the next while. 'D' might be for 'Detective Inspector.'