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4. The table below records the formal charges and expanded electron counts on the central atoms of the listed molecules. Please pick the correct values of formal charges in the options for the molecules.
(A)S:2+,N:2-;
(B)S:2+,0:2^-;
(C) Xe:2+,O:1-;
(D) S:1+, O:1+;
(E)S:0，O:0