The relation $R$ in the set $A=\{x\in Z: 0 \leq x \leq 12\}$, given by $R = \{(a,b) |a-b|$ is a multiple of 4$\}$. Is the relation reflexive, symmetrical or transitive?

Question

$\begin{array}{1 1}(A) \;\text{Only symmetrical} \\ (B)\; \text{Only reflexive} \\ (C)\; \text{Only transitive} \\ (D)\;\text{Symmetrical, Reflexive and Transitive} \end{array}$