Which sentence below demonstrates incorrect subject-verb agreement? A. In one hoax, he display a sign to carnival and circus audiences that read, "This way to the egress." B. Another claim to Barnum's fame was that he created what later became known as Ringling Brothers and Barnum and Bailey Circus. C. P. T. Barnum is an American showman who entertained with a series of hoaxes. D. Many paid money to see the "egress" and followed the "egress" sign not knowing that in Latin, "egress" means "exit."