The correct answer is b, hope that helps
Answer:
The Celts participated in the Hallstatt culture, which was the iron age, in what is now north-central Spain. Historians and archaeologists, years ago, discovered two settlements in Spain that are identified as originally Celtiberian: Cabezo de Acala, and Castro de la Coronilla.
Answer:
Since you need to form a question, but place the subject at the end, it means that the entire question will be really inverted, meaning that the order of words will be a little jumbled. This is the way to do it:
Termina a las dos la clase?
As you can see, the subject 'la clase' is placed at the end, and the word order is inverted.