Final answer:
American Airlines Flight 11 that was hijacked from Logan International Airport in Boston had 5 people on board.
Step-by-step explanation:
The correct answer is A. 5. American Airlines Flight 11 was one of the four planes hijacked on September 11, 2001. This specific flight departed from Logan International Airport in Boston and was headed to Los Angeles. It had a total of 92 people on board including crew members and passengers. However, only 5 hijackers were responsible for taking control of the plane.