A living continuum of cells connected by plasmodesmata is
Donnan free space
The correct option is B Symplast Water is absorbed by the root hair from the soil. It passes the epidermis, cortex, endodermis, casparian strip and pericycle and xylem. After reaching the xylem it is pulled up by the transpirational pull.
Symplast absorption is a type of absorption where the water moves through the cytoplasmic connection between the two cell known as plasmodesmata.