8 After the sale of a patented product made by the patentee or made under consent of the patentee, the doctrine authorized the buyer to use and to sell the product. Choose the one that best completes the above sentence.
(A)extinguishing
(B)extinction
(C)exhaustion
(D)exclusion

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統計: A(1), B(1), C(6), D(1), E(0) #1188301