问题
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2,3,7,45,2017,() A.4068271 B.4068273 C.4068275 D.4068277
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2,3,7,45,2017,() A.4068271 B.4068273 C.4068275D.4068277
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2,3,7,45,2017,()。A.4068271B.4068273C.4068275D.4068277
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2,3,7,45,2017,()。A.4068271B.4068273C.4068275 D.4068277
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2,3,7,45,2017,。A.4068271B.4068273C.4068275D.4068277
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2,3,7,45,2017,()A.4068271B.4068273C.4068275D.4068277