It’s the first one
Comencé
Option #2 empieza
¿A qué hora usted “empieza” la clase de inglés?
Answer: Donde
Explanation:
Como means how.
Que means what.
The only appropriate answers are either donde or adonde. The reason it's not adonde, is because you use adonde when asking "to where" or "where to" if that makes sense. If you're simply asking where someone is, you say donde.
I think the answer is sois
