In Asiam Islamic religious and cultural practices

A. Were spread through war and jihad

B. Were resisted by the inhabitants of towns and cosmopolitan centers

C. Diffused from trading and urban centers to the countryside

D. Accompanied the rejection of all past cultural and religious practices

I am leaning toward D but am not sure. Please assist.

C, I think.

http://en.wikipedia.org/wiki/Spread_of_islam