The correct answer is: A) it challenged the traditional authority of the Church, paving the way for new ideas of Enlightenment philosophers.
Reformation was a split in Western Christianity in 16th century Europe. Martin Luther proposed Ninety-five Thesis against the Catholic Church. Even though it started in Germany, it spread throughout the continent and converted Northern Europe to Protestantism.
Reformation was an important influence for the Age of Enlightenment, which began in the 18th century, as it posed as a challenge to traditional Catholicism and the beliefs that were imparted by the Church; leading to the arise of ideas of liberty, progress and separation of Church and State, among others.