The correct Prismoidal formula for volume is

• A. d [first area + last area + even area + 2 odd areas]
• B. d/3 [first area + last area + 4 even area + 2 odd areas]
• C. d/3 [first area + last area + 2 even area + 4 odd areas]
• D. d/6 [first area + odd areas]