This is very easy you should read over it again
The answer is letter B<span> - The speaker is sleeping and is awakened by someone calling to him.
</span><span>When the speaker says, "While I nodded, nearly napping, ..." he is sleeping, because when you're about to sleep you'll usually nod your head back and forth right when you're drifting off.
Answer: Letter B
Hope that helps. -UF aka Nadoa</span>