What Was Key to Ahmadinejad's Ascendency to Presidential Victory in 2005

What was key to Ahmadinejad's ascendency to presidential victory in 2005?

A) His promises to a restive population that he would cut living costs and more broadly distribute more of the nation's oil wealth.
B) His staunch anti-Israeli sentiment
C) His non-religious background, having been Iran's first noncleric president in 24 years
D) His emphasis on expanding ties with Iraq amid the post-Saddam era