Answer-D
Explaination-The September 11 attacks, also commonly referred to as 9/11, were a series of four coordinated terro*ist attacks by the militant Islamist ter**rist group al-Q*eda against the United States of America on the morning of Tuesday, September 11, 2001
Attack type-Aircraft hij*ckings Sui*ide attacks Mass m*rder Islamic terro*ism
Deaths-2,996 (2,977 victims + 19 al-Qaeda terrorists)
Injured-25,000