The passage, "We . . . had great work to set [the barge] afloat, as our condition was such that much lighter things would have given us trouble" indicates that
A. the men were so weak that even something lighter than a barge would have been difficult to manage.
B. the barge was much lighter than other things that might have given the men trouble.
C. the men had a hard time getting the barge afloat because the Natives were giving them trouble.