Match column I with II column II and select the correct option from the given codes .
`{:("Column I","Column II"),(A."Operator site",(i)"Binding site for RNA polymerase"),(B."Promoter site",(ii)"Binding site for repressor molecule"),(C."Regulator gene",(iii)"Codes for protein/enzyme"),(D."Structural gene",(iv)"Codes for repressor molecule"):}`
A. A-(ii), B-(i), C-(iii), D-(iv)
B. A-(ii), B-(i), C-(iv), D-(iii)
C. A-(iv), B-(iii), C-(i), D-(ii)
D. A-(ii), B-(iii), C-(i), D-(iv)
