Wow , so , the last couple of days have been a total switcheroo . I guess I 'll start at the beginning , and just ... take it slow . Okay . So ! I left the park yesterday and headed down to SoHo , because that 's the way the bus was going !

Question: What might have happened that I think the last couple of days have been a total switcheroo .
Answer: I might have been expecting nothing and nothing must have happened .I might have been expecting something but nothing must have happened .I might have been expecting something but something else must have happened .None of the above choices .