Answer:
The correct option is : A. Communicate your rules before anyone starts drinking
Step-by-step explanation:
A designated driver refers to the selection of a person who remains calm as the responsible driver of a vehicle whilst others have been allowed to drink alcoholic beverages. Designated driver should then take others to their homes. In order to be a designated driver the first thing is that he should not drink at all. And when he sees others drinking, he must realize that drinking is not good for him as per rules, So he should keep rules in mind and do not drink.