A New Television Show Is Based on Reported Paranormal Activity

A new television show is based on reported paranormal activity or "hauntings" in the United States.The researchers on the show travel around the country collecting evidence based on claims from residents who believe a particular area is haunted.In order to demonstrate that hauntings exist,these researchers must

A) believe what the local residents say and take it at face value.
B) find a large number of local residents who have observed the phenomenon.
C) interview several authority figures who support the idea of hauntings.
D) provide extraordinary evidence of hauntings.