The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on_______________?_x005F_x000D_1. top face parallel to the wall_x005F_x000D_2. top face perpendicular to the wall_x005F_x000D_3. bottom face paralleUo the wall_x005F_x000D_4. bottom face perpendicular to the wall_x005F_x000D_The correct answer is ?

• A. only (2) is correct
• B. (1) and (2)are correct
• C. (3) and (4) are correct
• D. only (4) is correct