The correct option is C Amphibian, reptiles, some mammals, butterflies and flowering plants
Biodiversity hot spots are areas with high density of biodiversity or megadiversity, which are also the most threatened ones. India has three biodiversity hotspots - Indo-Burma, Western Ghats - Sri Lanka and Himalayas. There is high degree of endemism as well as richness of species of flowering plants, amphibians, reptiles, some mammals and butterflies.