$$16a^{2} +4b^{2} -9c^{2} - 16ab-12bc - 24ca =$$ ?

A

$$\left(4a - 2b + 3c\right)^{2}$$

B

$$\left(4a - 2b - 3c\right)^{2}$$

C

$$\left(4a + 2b - 3c\right)^{2}$$

D

$$\left(4a + 2b + 3c\right)^{2}$$