Midway up the slope between the bridge and fort were the spectators -- a single company of infantry in line, at "parade rest," the butts of their rifles on the ground, the barrels inclining slightly backward against the right shoulder, the hands crossed upon the stock.

Where were the spectators located?
A) on the bank of the stream beneath the bridge
B) in the forest on the other side of the bridge
C) at the opposite end of the bridge from the man
D) midway up the slope between the bridge and fort