The correct option is D Solenocyte
Solenocytes are flagellated cells associated with excretion. These are seen in Annelids and some molecules. Archaeocytes or amoebocytes are amoeboid cells found in sponges. They are totipotent and have varied functions depending on the species. Choanocytes are cells that line the interior of asconoid, syconoid and leuconoid body type sponges that contain a central flagellum, or undulipodia, surrounded by a collar of microvilli which are connected by a thin membrane. Pinacocytes are flat cells found on the outermost layer of a sponge