An example of coordination isomerism is
A. `[Cr(H_(2)O)_(6)]Cl_(3) and [Cr(H_(2)O)_(5)Cl]Cl_(2),H_(2)O`
B. `[Co(NH_(3))_(6)][Cr(CN)_(6)] and [Cr(NH_(3))_(6)][Co(CN)_(6)]`
C. `[Pt(NH_(3))_(4)Cl_(2)] and [Pt(NH_(3))_(2)Cl_(4)]`
D. `[Co(NH_(3))_(5)Br]SO_(4) and [Co(NH_(3))_(5)SO_(4)]Br`
