In the figure shown aside, which one of the following correctly represents effective stress at C ? (Symbols have the usual meanings).-A-(h + z)γωB-z.γωC-z.γsubD-h.γω + Z.γsat-D-h.γω + Z.γsat

D h.γω + Z.γsat Option D is the correct answer. Stress due to weight of water + stress due to saturated unit weight of soil.