Three concentric spherical shells have radii a, b and \[c(a

• A. \[{{V}_{A}}={{V}_{C}}\ne {{V}_{B}}\]
• B. \[{{V}_{C}}={{V}_{B}}\ne {{V}_{A}}\]
• C. \[{{V}_{C}}\ne {{V}_{B}}\ne {{V}_{A}}\]
• D. \[{{V}_{C}}={{V}_{B}}={{V}_{A}}\]