What's the median of the sequence $$\frac{1}{π}$$，$$\frac{1}{π}$$-1，$$\frac{1}{π}$$+1，$$\frac{1}{（π-2）^{2}}$$，$$\frac{1}{（π+2）^{2}}$$？
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A$$\frac{1}{π}$$
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B$$\frac{1}{π}$$-1
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C$$\frac{1}{π}$$+1
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D$$\frac{1}{（π-2）^{2}}$$
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E$$\frac{1}{（π+2）^{2}}$$
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正确答案: A