Use the graph below, showing the number of wounded, killed, and missing for the nations involved in the Korean War, to answer the following question:

This is a bar graph showing Military Wounded, Military Killed and missing, and Civilian dead and missing for each of the belligerents of the Korean War. The graph shows 103,284 wounded and 36,568 killed and missing from the U. S. China had 716,000 wounded and 600,000 killed and missing. South Korea had 429,000 wounded, 217,000 killed and missing, and one million civilians dead and missing. North Korea had one and a half million wounded, 406,000 killed and missing, and 600,000 civilian dead and missing.

Which of the following is a reasonable interpretation of this information?
A) Chinese casualties were high because most of the fighting took place on the North Korean/Chinese border.
B) United States casualties were very low because American units did not actively participate in the fighting.
C) Korean civilian deaths were very high because the fighting took place on Korea's soil.
D) North Korea had the smallest number of deaths due to the high quality of their medical care.