\( { }^{2 n+1} P_{n-1}:{ }^{2 n-1} P_{n}=3: 5 \) (A) 4 (B) 6 (C) 3 (D) 8

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\( { }^{2 n+1} P_{n-1}:{ }^{2 n-1} P_{n}=3: 5 \)
(A) 4
(B) 6
(C) 3
(D) 8
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