Answer:
AB is diameter of circle.
D is correct.
Explanation:
We are given a circle whose center is O
We need to choose segment of diameter.
Diameter: It is longest chord of the circle which passes through the center of circle.
In the given figure only segment passes through center.
AB and DE
Thus, Both AB and DE should be diameter of given circle.
Now, we will choose correct option.
Option A: DB is chord of circle. False
Option B: AC is chord of circle. False
Option C: OD is radius of circle. False
Option D: AB is diameter of circle. True
Hence, AB is diameter of circle.