Respuesta :
Use description of the trick is Kellar was the only observer who saw how the trick was done.
What is Rope Trick?
Some historians claimed in the 1990s that the trick was a fraud committed in 1890 by John Wilkie of the Chicago Tribune newspaper. However, older iterations of the technique are now accessible online.
Kellar set out to discover how the trick was performed, and he succeeded by examining in places where the magician had asked him not to.
As a result, option (d) is correct.
Learn more about on Kellar and the Rope Trick, here:
https://brainly.com/question/23851048
#SPJ2