Pick up the correct statement from the following?

A. If F.S.L. is above N.S.L the canal is called partly in cutting and partly in filling and berms are designed as 2d where d is full supply depth

B. If the bed level is above N.S.L. the canal is called fully in baking and the berms are designed as 3 d where d is full supply depth of water (F.S.D.)

C. Area of canal in cutting = BD + Sd2 where B = bed width, d = depth of cutting and S is the side slope

D. All the above
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