During the Second Industrial Revolution, the Split Between Middle-Class Liberals

During the Second Industrial Revolution, the split between middle-class liberals and the workers occurred in part because

A) the liberals sought to improve both working conditions and the social aspect of society.
B) the workers moved in a revolutionary direction that frightened the liberals.
C) the conservatives continued to court the liberals, hoping to make a strong alliance against the workers.
D) the lives of working-class liberals improved so much that they no longer wanted to foment revolution.
E) the liberals, liberal though they were, became concerned that the workers were entering a revolutionary period that was so revolutionary that it might cut into their profits.