For purely cohesive soil, the bearing capacity is given by which of the following equation?

• A. qf = 5.7 c + ‚âà√¨‚àö√¢‚àö√â‚àö√±
• B. qf = c + ‚âà√¨‚àö√¢‚àö√â‚àö√±
• C. qf = 5.7 c
• D. All of the mentioned