Is a policeman authorized to require a vehicle driver to undergo a blood test for the presence of alcohol or intoxicating drugs?

1. A Yes. A policeman is authorized to require a blood test if he has reasonable suspicion that the driver is under the influence of alcohol or intoxicating drugs.
2. B No. A policeman is not authorized to require the performance of any test without a court order.
3. C No. A policeman is not authorized to require a driver to perform a blood test for determining alcohol or intoxicating-drug levels..
4. D No. A policeman is not authorized to require a driver to perform any type of test, at any given time or place.