Use the given sets to determine the solution set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z} C = {v, w, x, y, z} (A' ? C) ? B'
A. {y, z}
B. {r, t, u, v, w, s, y, z}
C. {v, x}
D. {r, t, v, w, x}
Answer: D
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