LeI $G$ and L be relations on $A=[1,2,3,4)$ with $G=\{(1,2),(2,3),(4,3)\}$ and $,3.)(3,4),$

Which one of the fol cowing altem atives represents the relation $L$@$G=G$:$L?$

a $\{(2,3),(3,3)\}$

b$.(17,2),(2,4),(4,4)$

c$.((1,2),(2,1),(3,3),4,4\}$

$|$d$.\{(2,4),(4,4)\}$