单选题
After (attracting) more than a million marchers-(four times of the size) of the historical 1963 March on Washington-the 2004 March for Women's Life (became) the largest mass demonstration (in history).
【正确答案】
B
【答案解析】four times of the size改为four times as much as the size。这是倍数的固定表达方式。…times as much/many as…。