The standard deviation of the five numbers s,t,u,v,w is d. Which of the following series has the same deviation?
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A$$s^{2}$$,$$t^{2}$$,$$u^{2}$$,$$v^{2}$$,$$w^{2}$$
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B2s,2t,2u,2v,2w
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Cs+1,t+1,u+1,v+1,w+1
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D|s|+|t|+|u|+|v|+|w|
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E2s+2,2t+2,2u+2,2v+2,2w+2
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正确答案: C