Which List Shows the Proteins in the CORRECT Order from Highest

Multiple Choice

Which list shows the proteins in the CORRECT order from highest to lowest reduction potential?

A) acyl-CoA dehydrogenase $\rightarrow$ ETF:Q oxidoreductase $\rightarrow$ ETF
B) ETF $\rightarrow$ ETF:Q oxidoreductase $\rightarrow$ acyl-CoA dehydrogenase
C) ETF:Q oxidoreductase $\rightarrow$ acyl-CoA dehydrogenase $\rightarrow$ ETF
D) ETF:Q oxidoreductase $\rightarrow$ ETF $\rightarrow$ acyl-CoA dehydrogenase
E) ETF $\rightarrow$ acyl-CoA dehydrogenase $\rightarrow$ ETF:Q oxidoreductase