Questions Refer to the Table Below

Questions refer to the table below.
World War II Casualties
-A greater percentage of soldiers survived wounds during World War II than any previous major war. This was primarily because:

A) new drugs, like penicillin, prevented infections that frequently killed those who had been wounded.
B) countries agreed to not use weapons designed to wound soldiers, rather than kill them.
C) World War II was the first war in which doctors and nurses were allowed to be close to the front lines.
D) doctors on both sides treated the wounded, regardless of what side they were on.