The following questions are based on the diagram given below showing four persons stationed at the four corners of a square piece of plot as shown.
From the original position given in the above figure. A and B move one arm length clockwise and then cross over to the corner diagonally opposite; C and D move one arm length anti-clockwise and cross over the corner diagonally opposite. The original configuration ADBC has now changed to
(A) CBDA
(B) BDAC
(C) DACB
(D) ACBD