Which of the following shows that Ambrose Bierce (who actually did see combat during the Civil War) knows what he is talking about?

A)"Beyond one of the sentinels nobody was in sight; the railroad ran straight away into a forest for hundred yards, then, curving, was lost to view."

B)"Excepting the group of four at the center of the bridge, not a man moved."

C)"The liberal military code makes provision for hanging many kinds of persons, and gentlemen are not excluded."

D)"These movements left the condemned man and the sergeant standing on the two ends of the same plank; which spanned three of the crossties of the bridge."