I'm thinking either C or B.
What story is it, I'll answer when I know the story title.
The prefix is "ex" because the word Excluded starts with "ex."
<h3>
Answer:</h3><h3><em>Cuz </em><em>there </em><em>is </em><em>many </em><em>beings,</em><em> organisms</em><em>,</em><em> </em><em>characters,</em><em>outside </em><em>of </em><em>the </em><em>solar </em><em>system.</em></h3>
<em>Which </em><em>scientists</em><em> </em><em>had </em><em>found</em><em>.</em>
<h2>
Hope it helps </h2>
