The correct answer and what Antonio means in his speech to Sebastian in William Shakespeare's "The Tempest" is A. Sebastian now has the opportunity to take future into his own hands.
In Act 2, Scene 1, only Antonio and Sebastian remain awake after a solemn music plays. It is then that Antonio delivers his speech trying to convince Sebastian to kill Alonso and become king. Antonio says that it is the opportunity and he should seize it: Th' occassion speeks thee, and my strong imagination sees a crown dropping upon thy head. Now that they accept that Ferdinand has drowned, Sebastian could seize the crown if he acts and murders Alonso.
Try to think of a disagreement or agreement you've EVER had with a family member. Even if you are exaggeration or making a bit of it up I believe it to be fine. Write about something simple like disagreement over the last cookie or bed time.
Your answer would be B. He's talking about not being able to prove his age because he hasn't never seen a real record of his birth or anything else that would give him an idea of how old he is, so no real way to actually prove it.