The correct option is
B Cycas
The compound eyes of arthropods like insects, crustaceans and millipedes are composed of units called ommatidia (singular: ommatidium). An ommatidium contains a cluster of photoreceptor cells surrounded by support cells and pigment cells. Sago is a starch extracted from the spongy centre, or pith, of various tropical palm stems
It is a major staple food for the low land peoples of New Guinea and the Moluccas, where it is called saksak, rabia and sagu. A type of flour, called sago flour, is made from sago.
It is found in Cycas.