If the $$a_{th}$$ a part of 49 is 7 and $$b_{th}$$ b part of 63 is 9 and $$c_{th}$$ c part of 112 is 16. Then which of the following is true:

A

$$abc = \frac{1}{7}$$

B

$$abc = a^3$$

C

$$abc = \frac{1}{49}$$

D

None of these