After the Terrorist Attacks on September 11,2001,governments Within the United

After the terrorist attacks on September 11,2001,governments within the United States raised expenditures to increase security at airports.These purchases of goods and services are

A) not included in GDP since they do not represent production.
B) not included in GDP since the government will have to raise taxes to pay for them.
C) included in GDP since government expenditures are included in GDP.
D) included in GDP only to the extent that the federal government, rather than state or local governments, paid for them.