The Attack on Mosquitos and Rats in This Image Is

Multiple Choice

The attack on mosquitos and rats in this image is indicative of which of the following?

A) That the French viewed their enemies during the First World War as vermin
B) An increased focus on combating public health issues
C) That diseases such as the plague were having a major impact on European populations
D) That many people feared there was no defense against life-threatening illnesses such as the plague or malaria