From the conditions, W must precede X, Y must come after Z, and X must come after Y. Taken together, this means Z must be before Y, Y must be before X, and W must be before X. In the order Z, W, Y, X, all three constraints are satisfied: Z is before Y, Y is before X, and W is also before X. None of the other options respects every condition simultaneously.
Option A:
Option A fails because X appears before Z and Y, while the rules require Y after Z and X after Y.
Option B:
Option B (Z, X, W, Y) violates both Y after Z and X after Y, since X comes immediately after Z and before both W and Y.
Option C:
Option C clearly satisfies Z < Y < X and places W before X, so all constraints hold, making it the only acceptable order among the choices.
Option D:
Option D puts X before Y, contradicting the requirement that X must be after Y.
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