Which of the Following Represents the Largest Barrier to Employing

Multiple Choice

Which of the following represents the largest barrier to employing pigeons in search-and-rescue operations or in quality control procedures for factories?

A) Pigeons show great variability in their behaviors.
B) Pigeons can only do one task for a few minutes at a time.
C) People are not comfortable with entrusting important decisions to pigeons.
D) People are able to generalize but pigeons are not.