What originally made Iraq an unlikely target of the Bush administration’s campaign against al-Qaeda?

A.
Iraq had been the target of a number of al-Qaeda attacks in 2001.

B.
Saddam Hussein had been a strong ally of the United States through the 1990s.

C.
Iraq had fought Iran, which was a strong supporter and host of al-Qaeda.

D.
There was considerable antipathy between the regime of Saddam Hussein and al-Qaeda.

D. There was considerable antipathy between the regime of Saddam Hussein and al-Qaeda.