Sharia Law or Islamic law, is essentially a religious law, which is part of Islamic tradition. It is derived from the rule of Islam, especially from Qur'an and Hadith. A typical Sharia-regulated country is where the Shari'ah is dominant in both the religious and the social and every other sense, which means that he sharia implied in the legal system of that state. Examples of classical Sharia law systems are Saudi Arabia, Iran, and Sudan.
The answer is: c.