What is the value of $$\frac{4x^{2} + 9y^{2} + 12xy}{144}$$?

A

$$\left(\frac{x}{3} + \frac{y}{4}\right)^{2}$$

B

$$\left(\frac{x}{3} + y \right)^{2}$$

C

$$\left(\frac{x}{4} + \frac{y}{6}\right)^{2}$$

D

$$\left(\frac{x}{6} + \frac{y}{4}\right)^{2}$$