As I was going up the stair, I saw a man that wasn't there.
He wasn't there again today! Oh, how I wish he'd go away
aggressive, determined, earnest, energetic, enthusiastic, resourceful, anxious, ardent, aspiring, avid, ball of fire, bent upon, climbing... you get it...
Not sure but should be B im not sure tho 100%
In your essay give specific details and don't vague if it is not related to the topic you are writing about, is not important.