The correct option is B Archaeocytes
Sponges are primitive multicellular animals and have a cellular level of organization. Sponges have different types of cells in their body. Amoebocytes are wandering cells and are of many types. Archaeocytes, are undifferentiated totipotent cells, and a type of amoebocytes, thesocytes store food and are also a type of amoebocytes. Collenocytes, yet another type of amoebocytes, are connecting cells and produce mesenchyme. Pinacocytes and porocytes are two types of cells in producing the outer dermal layer or pinacoderm. Thus, the correct answer is option A.