What does the Time Traveller blame, as the reason that humans had eventually changed into something so dark as the Morlocks in The Time Machine?
A. The upper class had been content to live at the expense of the comfort of the lower class for too long.
B. The lower class, due to a lack of education, became hardened and mean.
C. The lower class waged war on the upper class and spent the last eight-hundred centuries preparing for ward.
D. All of these