<em>The answer is A.</em>
<em>The sentence states it as though the character was "oblivious" to an audience, suggesting that he/she was not aware of the audience.</em>
<em>The definition of Oblivious is:</em>
<em>"not aware of or not concerned about what is happening around one."</em>
<em>That means that the character was not aware of the audience, meaning that the answer would be A.) Unaware of.</em>
<em>Hope this helps.</em>
<em>-Northstar</em>
