That's correct, 8+6 is 14, so the answer is that C (the number of comic books) is 16.
Steve started with 16 comic books.
I believe that's the answer to the question you meant to ask. But just to recap, the question I answered would be "How many comic books did Steve have at first?" or "How many comic books did Steve start out with?" or something similar. I hope that this answer helps!