Which sets of quantum numbers are allowed

1. A.
   $n = 3,l = 2,m_{l} = 0,\text{ }s = + \frac{1}{2}$
2. B.
   $n = 3,l = 2,m_{l} = - 2,\text{ }s = + \frac{1}{2}$
3. C.
   $n = 3,l = 3,m_{l} = - 3,\text{ }s = - \frac{1}{2}$
4. D.
   $n = 3,l = 0,m_{l} = 0,\text{ }s = - \frac{1}{2}$

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