50. What is the main idea of the passage?
(A) Classification of carcinogen
(B) A healthy diet with red meat and processed meat
(C) How to include meat in your diet
(D) The association of red meat, processed meat and cancer
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統計: A(7), B(24), C(9), D(94), E(0) #1784627
統計: A(7), B(24), C(9), D(94), E(0) #1784627