Compounds `[Cu(H_2O)_6]^(2+)(A)` and `[Ti(H_2O)_6]^(3+)` (B) exhibit tetragonal elongation and tetragonal compression,respectively.The unpaired electron A and B are found respectively, in orbitals,

Options

A. `d_(z^2)` and `d_(x^2-y^2)`
B. `d_(x^2-y^2)` and `d_(z^2)`
C. `d_(z^2)` and `d_(z^2)`
D. `d_(x^2-y^2)` and `d_(x^2-y^2)`