The set having ions which are coloured and paramagnetic both is-

Options

A. `Cu^(2+), Cr^(3+), Sc^(+)`
B. `Cu^(2+), Zn^(2+), Mn^(4+)`
C. `Sc^(3+), V^(5+), Ti^(4+)`
D. `Ni^(2+), Mn^(7+), Hg^(2+)`