The Total Number of Viable Microorganisms Remains Constant in Stationary

The total number of viable microorganisms remains constant in stationary phase because

A) there is a balance between cell division and cell death.
B) there is a cessation of cell division even though the cells may remain metabolically active.
C) either there is a balance between cell division and cell death or there is a cessation of cell division even though the cells may remain metabolically active.
D) none of the choices