Cigarettes Served as Money in Some Prisoner of War (POW)

Multiple Choice

Cigarettes served as money in some prisoner of war (POW) camps during World War II. Given this, we would expect to observe

A) no one ever smoking a cigarette.
B) people usually resorting to barter rather than using cigarettes as money.
C) prices of other goods expressed in terms of cigarettes.
D) only government-issued cigarettes being accepted as money.