The correct order of anions present for the following $$\text{CaC}_2$$, $$\text{Al}_4\text{C}_3$$, $$\text{Mg}_2\text{C}_3$$

A

$$\text{C}^{4-}$$, $$\text{C}_2^{2-}$$, $$\text{C}_3^-$$

B

$$\text{C}_2^{2-}$$, $$\text{C}_3^{4-}$$, $$\text{C}_3^{2-}$$

C

$$\text{C}_2^{2-}$$, $$\text{C}^{4-}$$, $$\text{C}_3^{4-}$$

D

$$\text{C}^{4-}$$, $$\text{C}_2^{2-}$$, $$\text{C}_3^{4-}$$