Let w x y and z be the result of rounding off 8491.378 to the nearest thousands hundreds tens and unit respectively. Which of the following statements is true?

1. A Option A: w<y<x<z< td=""></y<x<z<>
2. B Option B: z<y<w<x< td=""></y<w<x<>
3. C Option C: w<z<y<x< td=""></z<y<x<>
4. D Option D: w<y<z<x< td=""></y<z<x<>

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