The answer is B) por que.
Es lenguaje figurado porque cuando ella entra la habitacion, la habitación no se esta luminando literalmente. Es solo una forma de lenguaje figurado para mostrar que bueno se siente cuando ella llega.
Answer:
Tu and usted
Explanation:
Tu can be used when you're like talking to a friend or a family member or classmate and usted is used in a more formal way. For example, if you were talking to your doctor or teacher you would use usted.