Which of the following is correct?

Options

A. Radius of `Ca^(2+) ltCl^(-)ltS^(2-)`
B. Radius of `Cl^(-)ltS^(2-)ltCa^(2+)`
C. radius of `S^(2-)=Cl^(-)=Ca^(2+)`
D. radius of `S^(2-)ltCl^(-)ltCa^(2+)`