The term S in the Fenske’s equation, is given as

• A. (xLKxHK)D(xLKxHK)B
• B. (xLKxHK)D(xLKxHK)L(xLKxHK)R
• C. (xLKxHK)L(xLKxHK)V
• D. (xLKxHK)HK(xLKxHK)LK