There is seepage of water on both sides of load bearing wall of a building with flat roof. Whatremedy will you suggest?

• A. Remove plaster on the wall and replaster with rich mix.
• B. Inspect the roof for cracks over the wall and seal the crack.
• C. Paint both the surfaces of the wall with oil paint.
• D. Plaster both the surface of wall with cement mortar mixed with water proofing compound.