As they flow over rotten logs,slime molds appear to lack any partitioning into individual cells; however,slime molds do become cellular when they change form to produce spores.In light of the cell theory that "all living things are composed of cells," then

A)these tissues are not living because they are not cellular.
B)these tissues are a bridge between nonliving and primitive living cells.
C)the general concept still holds because these organisms are cellular at specific stages in their life cycle.
D)this proves that a "vital force" beyond cell chemistry can give life to substances.