Tensions Between Iran and Iraq Escalated Because of

Tensions between Iran and Iraq escalated because of

A) Iraq's Shi'ite government's opposition to Iran's Sunni Moslem leadership.
B) disputes about their common border with Saudi Arabia.
C) the ambitions of the Ayatollah Khomeini to conquer Iraq by force.
D) Iran's sometime support for Kurdish rebels in Iraq's mountainous north.
E) Iran's use of poison gas in the attempt to assassinate the family of Saddam Hussein.