Howard reached tentatively behind him , all the while wondering what he got up to last night , his mind whirling with potential possibilities . The smell of alcohol and perfume brought him back to his senses : of course , it was Vince . Who else would it be ?

Question: What may be the reason his mind was whirling with possibilities ?
Answer: None of the above choices .He has a history of waking up at home wondering who he is .He has done alot of amazing things when drunk that he forgets .He has a history of exercising poor judgement when he is drunk .