Which Statement Is TRUE with Respect to the Electron Transport

Which statement is TRUE with respect to the electron transport system?

A) The electron transport system accepts electrons directly from glucose.
B) In bacteria,the electron transport system is located in the cytoplasm.
C) A proton motive force is generated as electrons move through the system to a terminal acceptor.
D) In prokaryotes,protons are transported into the cell as electrons move through the system.
E) ATP is produced by a process called substrate-level phosphorylation.