Call by reference mechanism should be used in a program when there is

i. large amount of data to be passed 
ii. small amount of data to be passed 
iii. need to change the passed data 
iv. no need to change the passed data
Choose the appropriate option for the above case.
► (i) and (ii) only
►(i) and (iii) only
►(ii) and (iii) only
►(ii) and (iv) only