单选题 By the end of last week, 611 people from 49 countries ______ to attend the meeting, with nearly half coming from the United States, Germany and Britain.
【正确答案】 A
【答案解析】[解析] 根据时间状语by the end of last week可知，句子应用过去完成时，表示动作发生在“过去的过去”。故选项A为正确答案。