问题
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0.5,1,2,5,17,107,() A.1947 B.1945 C.1943 D.1941
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0.5,1,2,5,17,107,()A.1947B.1945 C.1943 D.1941
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0.5,1,2,5,17,107,() A.1947 B.1945 C.1943 D.1941
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0.5,1,2,5,17,107,()A.1947 B.1945 C.1943 D.1941
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0.5,1,2,5,17,107,() A.1947 B.1945 C.1943 D.1941
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0.5,1,2,5,17,107,()A.1947B.1945 C.1943 D.1941