5.細胞呼吸作用產生能量的過程，下列順序何者正確？
(A) glucose→pyruvate→acetyl CoA→Krebs cycle→electron transport chain→NADH
(B) glucose→acetyl CoA→pyruvate→Krebs cycle→electron transport chain→NADH
(C) glucose→acetyl CoA→pyruvate→electron transport chain→NADH→Krebs cycle
(D) glucose→pyruvate→acetyl CoA→Krebs cycle→NADH→electron transport chain
(E) glucose→pyruvate→acetyl CoA→electron transport chain→Krebs cycle→NADH