The compound(s) that exhibit(s) geometrical isomerism is(are)

A

$$[Pt(en)Cl_{2}]$$

B

$$[Pt(en)_{2}]Cl_{2}$$

C

$$[Pt(en)_{2}Cl_{2}]Cl_{2}$$

D

$$[Pt(NH_{3})_{2}Cl_{2}]$$