The Kutzback criterion for determining the number of degrees of freedom (n) of a mechanism with L as number of links, J as number of lower pairs and H as number of higher pairs is

• A. 3 (J-1) – 2L – H
• B. 2 (L-1) – 2J – H
• C. 3 (L-1) – 2J – H
• D. 2 (L-1) – 3J – H