September 11, 2001, was the most deadly terrorist attack on U.S. soil. Four planes were hijacked during the attack. Two were flown into the twin towers. Another plane flew into the Pentagon in Arlington, Virginia. A fourth crashed in Pennsylvania. Nearly 3,000 people were killed.

Which question is answered in this paragraph?

A
What do people do to honor the 9/11 victims?
B
Who spoke at the 9/11 ceremonies this year?
C
Where did the four 9/11 attacks take place?
D
How did the nation react to the 9/11 attacks?