Let $$m \epsilon z^{+}$$ be such that m 29 (mod 72). If m = r (mod 12) and 0 $$\leq r \leq  12$$, then $$\frac{r!}{12} =$$

A

5

B

$$\frac{1}{2}$$

C

10

D

$$\frac{5}{12}$$