3. Which topic was NOT mentioned in the doctor’s speech?
(A) Genetic research.
(B) Flu.
(C) Immune system disorder.
(D) Creutzfeldt-Jakob disease.
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統計: A(2), B(29), C(2), D(3), E(0) #3390728
統計: A(2), B(29), C(2), D(3), E(0) #3390728