问题
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28,-7,27,21,25,-63,(),189,13 A.22 B.21 C.24
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1,9,7,27,13,(),19,63A.25 B.33 C.45 D.54
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18,20,23, 25,27,28,28, ()。A.36 B.32 C.26 D.21
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28, 一7, 27,21,25, 一63, (), 189, 13。A. 一84 B. 21 C. 24 D. 一26
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18,20,23,25,27,28,28,()。A.36B.32 C.26D.21
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28,-7,27,21,25,-63,(),189,13。A.-84 B.21 C.24 D.-26