Choose one sentence that has the same meaning as the root one:
I gave Alan his allowance. He finished his chores.
A. Before Alan finished his chores, I had given him his allowance.
B. Before Afan had finished his chores, I gave him his allowance.
C. After Alan had finished his chores, I gave him his allowance.
D. After Alan finished his chores, I had given him his allowance.

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