The passengers and crew on United Airlines Flight 93 were brave. What evidence from the passage supports this statement?
A. About 50,000 people worked at the World Trade Center.
B. Michael Bloomberg called the September 11 Memorial “a powerful symbol of our grief.”
C. Members of the terrorist group Al Qaeda hijacked a plane and flew it into the Pentagon.
D. The passengers and crew on Flight 93 banded together to fight the terrorists.