A is correct. Quotation marks always enclose the sentence being spoken, and there should be a space to indicate a new speaker.
it shows . they have some of the same cultures
It is false that Fortinbras and Hamlet quarrel over Fortinbras's right to be in Denmark. The king was Claudius, and when he was killed (and when everybody else died), Fortinbras came to Denmark and became the next king.
B.
common, concrete, neither, countable
