In 1914, an apparently insignificant event in a remote part of Eastern Europe ______ Europe into a great war.

A．murder
B．butchery
C．slaughter
D．massacre

A．The Americans are getting fatter than they used to be.
B．Some of the poor cannot afford their medicine cost.
C．The Americans drink more alcohol than people do in other countries.
D．Of the inequality existing in the United States.