Convert the given numbers to decimal forms if necessary, then arrange them in order from the smallest to the largest:
$$\frac{1}{3},0.34,0.33,0.303$$

1. A
   0.303, 0.33, $\frac{1}{3}$, 0.34
2. B
   0.34, 0.303, $\frac{1}{3}$, 0.33
3. C
   0.34, $\frac{1}{3}$, 0.33, 0.303
4. D
   $\frac{1}{3}$, 0.33, 0.34, 0.303