Read the passage below carefully and answer the question that follows:
The Kainji Lake National Park, established in 1979 by the merger of the Borgu and Zugurma Game Reserves, is Nigeria's premier national park, covering an area of approximately 5,340 square kilometres. Located across Niger and Kwara States, the park is primarily managed to conserve native West African wildlife, including lions, elephants, and roan antelopes. While the Borgu sector features open savanna woodland and abundant wildlife, the Zugurma sector is characterized by dense forest vegetation and is heavily impacted by human encroachment, such as illegal grazing and logging. Despite these conservation challenges, the park remains a critical sanctuary for biodiversity and ecotourism in West Africa, drawing thousands of researchers and visitors annually to study its unique ecosystem.
According to the passage, the Zugurma sector of the Kainji Lake National Park is primarily characterized by which of the following features?
- AOpen savanna woodland with an abundance of wild animals
- Dense forest vegetation and significant human encroachmentAnswer
- CExtensive marine ecosystems dedicated solely to oceanographic research
- DA completely undisturbed sanctuary free from all illegal logging activities