单选题 Mike: Do you know if there"s a convenience store around here?
Jessica: ______. The closest one is on the 3rd street, but it"s probably closed now.
Mike: I really need to get some things before I leave.
Jessica: Well, you could go down to the 22nd street. There are lots of stores down there that are open 24 hours a day.
Mike: Can I take the subway to get there?
Jessica: Yes, but that"ll probably take about half an hour. You should just take a cab.