40 檸檬酸循環中會催化產生CO2之酵素為： (A)aconitase & succinate dehydrogenase (B)isocitrate dehydrogenase & α-ketoglutarate dehydrogenase complex (C)α-ketoglutarate dehydrogenase complex & succinate thiokinase (D)fumarase & succinate dehydrogenase