Which Statement Regarding U

Which statement regarding U.S.troops in Iraq between 2003 and 2008 is true?​

A) Most of the Iraqi troops under Saddam Hussein had stepped aside once the war began.
B) Public support for U.S.involvement in Iraq soared after weapons of mass destruction were found.
C) ​Although hundreds of thousands of Iraqis were killed or injured,fewer than 500 American troops were killed in Iraq.
D) ​The Bush administration had anticipated a quick victory in Iraq and had not adequately planned for remaining there as an occupying force.