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Choose the answer that correctly punctuates the compound sentence.
My sister found a wallet and I took it to the lost-and-found.
A. My sister, found a wallet, and I took it to the lost-and-found.
B. My sister found a wallet, and I took it to the lost-and-found.
C. My sister found a wallet and, I took it to the lost-and-found.
What is B