I would say the answer is the answer is D…
D all of the above because anything in an ecosystem adds to the biodiversity of it.
Option C i.e, Both addressed concerns with the practices of the Catholic Church is the correct answer.
We see Protestant Reformation arose against the evil practices of the Catholic Church and Clergy. Likewise Catholic Reformation or Counter Reformation arose as a reaction against the Protestantism and wanted to reform Catholic Church within.It also tried to reform the abusive practices of Catholic Church and corruption of Clergy.