Due to the presence of ambidenate ligands coordination compounds show isomerism. Palladium complexes of the type `[Pd(C_(6)H_(5))_(2)(SCN)_(2)]` & `[Pd(C_(6)H_(5))_(2)(NCS)_(2)]` are
A. linkage isomerism
B. coordination isomerism
C. ionisation isomerism
D. geometrical isomerism