The correct option is
D Insect
Lepisma saccharina, commonly known as a silverfish, is a small, wingless insect in the order
Thysanura.
Its common name derives from the animal's silvery light grey and blue colour, combined with the fish-like appearance of its movements. They are nocturnal insects. They are found in Eurasia, Americas, Australia etc.Therefore, the correct answer is option D.