An Illusion has been described as an object that has not been real. Thus, option B is correct.
The illusion has been the event of determination of the object that has been absent in the reality.
The illusion has been resulted with the creation of conditions and object that has been exactly similar to the real conditions but are not real.
Definition of Illusion
The given context has been illusion with the presence of the flourishing town. But the visitors has been able to discriminate the illusion with reality.
Thus, illusion has been described as an object that has not been real. Thus, option B is correct.
Learn more about illusion, here:
https://brainly.com/question/9088833
