题目: In the United States, of the people who moved from one state to another when they retired, the percentage who retired to FL has decreased by three percentage points over the past ten years. Since many local businesses in FL cater to retirees, this decline is likely to have a noticeably negative economic effect on these businesses. 要选weaken的答案 A) FL attracts more people who move from one state to another when they retire than does any other state C) The total number of people who retired and moved to another state for their retirement has increased significantly over the past ten years 正确答案是 C,但为何A不对 请帮忙解释 谢谢 --

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