The part of a derrick crane include(i) Mast(ii) Boom(iii) Bull wheel(iv) Jackwhich 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 wheel(

1.	The part of a derrick crane include(i) Mast(ii) Boom(iii) Bull wheel(iv) Jackwhich 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.