4. For each molecule of acetyl-CoA that enters the citric acid cycle, which of the following best represents the net products of the cycle?
(A) 2 CO2, 2 NADH, 2 FADH2, 1 GTP, 1 oxaloacetate
(B) 1 CO2, 3 NADH, 1 FADH2, 2 GTP, 1 oxaloacetate
(C) 2 CO2, 3 NADH, 1 FADH2, 1 GTP, 0 oxaloacetate
(D) 1 CO2, 2 NADH, 1 FADH2, 2 GTP, 0 oxaloacetate
(E) 2 CO2, 3 NADH, 1 FADH2, 1 GTP, 1 oxaloacetate