Do you write question is english hou we will understand that
It foreshadows the outcome of the play. This is because it mentiones that they are dead. It allows you to guess what is going to happen next as both the lovers die and the families end their fued only after their children's death.
The subject is defined as the "doer of an action". In this case, the answers would be C and D. So, who is only eight years old? The subject, that is, "my brother". Who is fascinated by bridges? The subject, that is, "he". He is used here only so as not to repeat "my brother" all over again, but they have the same meaning.