The correct option is C Parallelogram
Since the diagonals of a parallelogram bisect each other,
⇒OA=OC
and OD=OB ........(1)
DX=BY ........(2) [given]
On subtracting (2) from (1), we get
OD−DX=OB−BY
⇒OX=OY
Thus OX=OY and OA=OC.
⇒ Diagonals of quadrilateral CXAY bisect each other.
Here, we cannot prove that the angles of CXAY are right angles.
⇒ CXAY is a parallelogram
So, the correct answer is option (c).