Which statement correctly tells why the cells of unicellular and multicellular organisms
divide?

A. The cells of unicellular organisms divide to reproduce; those of multicellular
organisms divide to replace cells and to grow.
B. The cells of unicellular organisms divide to replace cells and to grow; those
of multicellular organisms divide to reproduce.
C. The cells of both kinds of organisms divide to reproduce.
D. The cells of both kinds of organisms divide to replace cells and to grow.