What Is the Correct Operational Sequence of the Three Processes $\rightarrow$

Multiple Choice

What is the correct operational sequence of the three processes listed below?
I.Glycolysis
II.Electron transport chain
III.Citric acid cycle

A) I $\rightarrow$ II $\rightarrow$ III
B) II $\rightarrow$ I $\rightarrow$ III.
C) III $\rightarrow$ I $\rightarrow$ II
D) II $\rightarrow$ III $\rightarrow$ I
E) I $\rightarrow$ III $\rightarrow$ II.