A farmer wants to enclose a rectangular field along a river on three sides. If 4,400 feet of fencing is to be used, what dimensions will maximize the enclosed area?

A. 1,100 ft (parallel to the river) by 1,100 ft
B. 1,100 ft (parallel to the river) by 2,200 ft
C. 2,200 ft (parallel to the river) by 1,100 ft
D. 2,200 ft (parallel to the river) by 2,200 ft
E. 4,400 ft (parallel to the river) by 1,100 ft