No, no. No rats.
3 seconds sound clip from the The Exorcist movie soundboard.
You can hear this line at 00:12:50 in the Blu-ray version of the movie.
Quote context
[...]
- Good morning, madam. -Good morning, Karl.
- Oh, Karl, we've got rats in the attic. You'd better get some traps.
- Rats?
- All right, then, we've got clean rats.
- Maybe plumbing. Yeah, or maybe rats. Now, will you just get the traps?
- Well don't go now. The stores aren't open yet. I'll go see. They're closed!
- In the group over here I need a priest, a nun and two students.
- That's what we want. That's exactly what we want.
[...]