If a variable takes the discrete value \( \alpha+4, \alpha-7 / 2, \...
If a variable takes the discrete value \( \alpha+4, \alpha-7 / 2, \alpha-5 / 2, \alpha-3, \alpha-2, \alpha+1 / 2, \alpha- \) \( 1 / 2, \alpha+5,(\alpha0) \), then the median is
(A) \( \alpha-5 / 4 \)
(B) \( \alpha-1 / 2 \)
(C) \( \alpha-2 \)
(D) \( \alpha+5 / 4 \)
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