If $\frac{x - 1}{l} = \frac{y - 2}{m} = \frac{z + 1}{n}$ is the equation of the line passing through the points $(1, 2, -1)$ and $(-1, 0, 1)$,then the direction ratios $(l, m, n)$ are:
- A$(-1, 0, 1)$
- B$(1, 1, -1)$
- C$(1, 2, -1)$
- D$(0, 1, 0)$
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