The Cartesian equation of the line passing through the points $A(2, 2, 1)$ and $B(1, 3, 0)$ is
- A$\frac{x+2}{1} = \frac{y+2}{-1} = \frac{z+1}{-1}$
- B$\frac{x-2}{-1} = \frac{y-2}{1} = \frac{z-1}{-1}$
- C$\frac{x+2}{-1} = \frac{y+2}{1} = \frac{z+1}{-1}$
- DNone of these
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