The answer is C.
I got this answer by the process of elimination. Not A - Because it is a holy book consisting of the words of God (or Allah) that were revealed to Muhammad in a cave. Not B- The Quran is known for being written in only one language--that's Arabic (translations may be done in different languages, but a Quran itself will always be in the Arabic language.) Not D - Muslims constantly follow the Quran because it is their holy book, much like a Christian with the Bible or a Jew with the Torah.
Hope this helped!
The answer is c truman doctrine
Assuming that you're referring to President Roosevelt, i think he believed that the government could best bring social and economic change.
This proved by his action when he signed the New Deal to handle the horrific depression in our coutnry