Fix this grammatically incorrect sentence:
“Bands of wild horses.Mustangs.roamed wild and free in the American West.”

A. In the American West, Mustangs are free and wild.
B. Mustangs roamed free in the American West.
C. Bands of wild horses-Mustangs-roamed wild and free in the American West.
D. Bands of wild horses, Mustangs, roamed wild and free in the American West.
E. In the American West, a species of wild horse, the Mustang, roamed wild and free.
F. All of the ABOVE.