3. Which answer choice shows the correct capitalization for the proper noun in the following sentence? Although the Sahara Desert is generally flat, the snow-capped mount Tahat rises above the swirling sands of the desert. A. Although the Sahara Desert is generally flat, the snow-capped Mount Tahat rises above the swirling sands of the desert. B. Although the Sahara desert is generally flat, the snow-capped mount Tahat rises above the swirling sands of the desert. C. Although the sahara desert is generally flat, the snow-capped Mount Tahat rises above the swirling sands of the desert. D. Although the Sahara Desert is generally flat, the snow-capped mount Tahat rises above the swirling sands of the Desert.