The highest peak of Wumeng Mountain, Jiucaiping is at an altitude of _______ .（ ） A: 2700 meters B: 2,800 meters C: 3,000 meters D: 2,900 meters
The highest peak of Wumeng Mountain, Jiucaiping is at an altitude of _______ .（ ） A: 2700 meters B: 2,800 meters C: 3,000 meters D: 2,900 meters
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