The Primary Difference Between the Apoplast and the Symplast Is

The primary difference between the apoplast and the symplast is that

A) the apoplast consists of nonliving spaces and cell walls, whereas the symplast consists of living cells.
B) apoplast movement is tightly regulated and symplast movement is not.
C) the symplast consists of nonliving spaces and cell walls, whereas the apoplast consists of living cells.
D) apoplast movement is slow and symplast movement is fast.
E) the apoplast transports only ions and the symplast transports only water.