The complex used as an anticancer agent is
or
Which one of the following coordination compounds is used to inhibit the growth of tumours
A. trans`-[Co(NH_(3))_(3)Cl_(3)]`
B. cis`- [ PtCl_(2)(NH_(3))_(2)]`
C. cis`-K_(2)[PtCl_(2)Br_(2)]`
D. `Na_(2)CO_(3)`
