The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack which of these statements are correct?

(ii), (iii) and (iv) are correct

(i), (iii) and (iv) are correct

(i), (ii) and (iii) are correct

The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull whee

1.	The part of a derrick crane include (i) Mast (ii) Boom (iii) Bull wheel (iv) Jack which of these statements are correct?
A.	(i), (ii) and (iv) are correct
B.	(ii), (iii) and (iv) are correct
C.	(i), (iii) and (iv) are correct
D.	(i), (ii) and (iii) are correct
Answer» E.