If he would have called, and not raised, your c-bet here, he could be drawing to that kind of flop. If a rag falls on the turn and he checks again, fire another barrel. But if a scary card comes, consider check/folding since all you have is an Ace-high. But then again, he could be holding something like A9, and think YOU are the one drawing. These $10NL players tend to get a little too tricky at times.

And don't EVER just call someone's c-bet unless you're drawing and he's giving you the odds to do so. If you think he's bluffing or think you have him beat, raise it up. If not, fold. There's another hand coming up in about 5 seconds.