If a drug that specifically prevented the interaction of cytochrome c with other proteins was added to respiring mitochondria in a test tube, what effects would be observed?

A) ATP synthesis would immediately stop.
B) Oxygen consumption would increase.
C) Reduced cofactors (NADH/FADH₂) would accumulate.
D) Coenzyme Q would become oxidized.
E) Proton export from the matrix would increase.