Question

Which revision of sentence 8 improves the sentence by maintaining parallel structure of clauses?
A. When someone at a dig site unearths traces of an ingredient for an ancient dish, when a reconstructed mural turns out to depict a meal including the dish, or someone recovers a stone tablet featuring an ancient recipe for the dish, Monaco and others might attempt to re-create the dish in their own kitchens.
B. When someone at a dig site unearths traces of an ingredient for an ancient dish, when a reconstructed mural turns out to depict a meal including the dish, or when someone recovers a stone tablet featuring an ancient recipe for the dish, Monaco and others might attempt to re-create the dish in their own kitchens.
C. When someone at a dig site unearths traces of an ingredient for an ancient dish, a reconstructed mural turns out to depict a meal including the dish, or recovering a stone tablet featuring an ancient recipe for the dish, Monaco and others might attempt to re-create the dish in their own kitchens.
D. No change is needed.

Answer 1

B

Explanation: Option B makes all three conditional clauses parallel by starting each with "when" (When someone..., when a reconstructed mural..., or when someone recovers...), producing a consistent structure.