By the End of the Nineteenth Century, the Catholic Church

By the end of the nineteenth century, the Catholic Church had begun to adapt to the trends of the modern age by:

A) giving up its temporal power (such as in the papal states) and focusing on its spiritual mission.
B) criticizing, in the 1891 papal encyclical Rerum Novarum, the abuses of capitalism and calling for social action.
C) encouraging the formation of Catholic socialist parties and Catholic labor unions.
D) All of these are correct.