May a police officer detain a driver who committed an offence before his eyes, without a warrant?

1. AHe may, only if the driver committed an offence that actually endangered road users.
2. BHe may not in any case.
3. CHe may, but only with the approval of a judge.
4. DHe may, if the driver does not give his name and address or does not present his licence as required.

Pick an answer to test yourself