After fixing the plane table to the tripod, the main operations which are needed at each plane table station are(i) Levelling(ii) Orientation(iii) CenteringThe correct sequence of these operations is

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