The correct option is D Pteropus
The animal shown in the image is a bat. It is a flying mammal and is scientifically called Pteropus (flying fox). The body is dark brown in colour. The forelimbs are modified into wings. Wings have a fold of skin called a patagium. External ear or pinna is present.
Macaca - Monkey, Delphinus - Dolphin, Rattus - Rat