Place the following components of the electron-transpor...
单项选择题Place the following components of the electron-transport chain in their proper order: （）
(a) cytochrome c
(b) Q-cytochrome c oxidoreductase(c) NADH-Q reductase(d) cytochrome c oxidase(e) ubiquinone
A．a, b, c, e, d
B．c, e, b, a, d
C．d, e, c, b, a
D．b, a, c, d, e
