Which of the following is not a cause for the hydrostatic pressure on the lining?

• A. Seeping of the rainwater in the backfill
• B. When the water table remains below the canal bedc) The backfill is of low drainaged) The backfill is of high permeability (i.e. > 3 cm/se
• C. The backfill is of low drainage
• D. The backfill is of high permeability (i.e. > 3 cm/sec)