D: I believe that imperative sentence means that it's not subjunctive, and that since the sentence should be formal, the best answer should be haz.
B.dormi because dormiste is for when you are talking about someone else that is not you
El sacerdote les aconseja que ellos SEAN amables con sus compañeros.
The best answer for this sentence is B. Dígame.
Please correct me if I'm wrong!! I'd be happy to fix it!! :)
1. Como esta usted.
2. Como estas
3.buenas tardes senora, como esta (Usted)
4. Que tal
5. Como has estado
There are many ways to say this, formally use Usted for "You"
