单选题
A taxicab and a laundry truck missed each other by inches on Sixth Avenue, stopping in such a position that each ______ the other"s progress.
【正确答案】
C
【答案解析】[解析] A项“implored”意为“恳求，乞求”；B项“implemented”意为“使生效，履行，实施”；C项“impeded”意为“妨碍，阻碍，阻止”；D项“imparted”意为“给予，传授；告知，通知”。本句是说两辆车阻碍了其他车辆的通行，因此选择C。