What is the effect of the following sentence?

I held the door for the woman entering behind me.

OPTIONS:
- The door slammed shut.
- The woman thanked me.
The woman thanked me.
Vilken verkan har följande mening? Jag höll dörren för kvinnan som kom in bakom mig. - Dörren slog igen. - Kvinnan tackade mig.
What effect does the following sentence have? I held the door for the woman who came in behind me. - The door slammed. - The woman thanked me.
Kvinnan tackade mig.
The woman thanked me.