That's it, exactly.
3 seconds sound clip from the Carry On Screaming! movie soundboard.
You can hear this line at 01:08:25 in the Blu-ray version of the movie.
Quote context
[...]
- That's it, exactly. You'd set a trap. But we don't use cheese. We bait our trap with a woman.
- I'm not suggesting we put a woman on the mousetrap.
- I wish I'd never mentioned this!
- All we do is, we stick a woman in Holcombe Woods and lie in wait.
- And then when the thing comes for her, we nab him.
- Just you, sarge? What will I be doing then?
- Be sensible. We can't use a real woman. Something might go wrong.
- Yes, I get the point, sarge.
- So, instead, we will use someone who looks as if he is a woman.
[...]