【单选题】

For four days in hilly fields near this country town, thousands of men will wear brocaded wool uniforms in the summer heat, smoke smelly cheroots by camp fires, pitch canvas tents, eat dried beef — and wage war.

Some 5,000 weekend warriors plan to reenact the first major battle of theAmericanCivil War not far from where it took place, 48 kilometers west of Washington 125 years ago.
TheAmericanCivil WarCommemorativeCommittee ofCulpeper, Virginia, the event’s sponsor, bills this as the biggest battle reenactment ever held in the United States.
While the real north-south clash was fought out in one day, on July 21,1861, the replay will stretch out over four, including preliminary encampment, from July 17—20.
Those arranging the rerun of the firstBattle of Manassas, as Southerners call it theBattle ofBull Run to Northerners, expect over 50,000Civil War buffs to watch the fighting roll across a 200-hectare tract.
Some 1,500 artillery shells and a half million rounds of small-arms ammunition will be fired in the mock battle.A、special effects company is arranging to set off explosions across the landscape, Hollywood war-film fashion, in counterpoint to thunderous fire cannons, some of which were used in the original battle.
Jack Thompson, a director of the sponsoring committee, says dozens of mockCivil War military units have been created since interest was fanned in the 1960s when reenactments took place on a smaller scale to commemorate the war’s centenary.
He said these groups, mostly in the south but with delegations from areas as far off as Scotland, Ireland and West Germany, strive to duplicate the uniforms, weapons and lifestyles of 1860s.
Organiser Nancy Niero says everything has to be original, or reproduced as precisely as possible.
Most authenticCivil War uniforms are too worn, too delicate or too small to fit the modern man, but some of the distinctive originals have been lovingly preserved and now serve as models for exact replicas.
Cheating will be barreD、That means a ban on using any sort of clothing, equipment, food or drink which did not exist during the realCivil War.
Smokers, for instance, must shun cigarettes.Canned beer, soda and pre packed food are all out, but a spokeswoman said, "I guess if anyone gets hurt, we’ll use antibiotics. We won’t use leeches.\
From the passage we know that Washington is
A、a place about 50 kilometers east of Manassas.
B、a place 48 kilometers west of Manassas.
C、the place where the biggest battle reenactment will take place.
D、the place where the first major battle of theAmericanCivil War took place.