Read the given statements regarding the lever and select the correct ones. (i) In beam balance, fulcrum is in the middle, (ii) A nutcracker is an example of third-class lever. (iii) In tongs, the fulcrum and the load are at the two ends. (iv) See-saw is an example of first class lever.

• A.  (i), (iii) and (iv)
• B.  (ii) only
• C.         (iii) and (iv)   
• D.         (i) and (ii)