Correct Answer:
Option B: Ottoman laws were administered by Muslim advisers called ulemas.
During Ottoman empire there were three courts. One for Muslims, one for non-muslims and third was the "trade court". Another legal system was used with Religious law known as "Kanun" in Ottoman empire. The Ulemas were administered or permitted to invalidate the decisions that were in contradiction to the religious law. Therefore, the correct answer to this question is option B, Ottoman laws were administered by Muslim advisers called ulemas.