What does this cartoon suggest about the Spanish flu pandemic of 1918?

A. The Spanish flu's spread from region to region took place over a long period of time.

B. People who remained social and ignored quarantine notices put themselves at great risk of sickness, and even death.

C. The Spanish flu's effect on the world's population was less significant than experts had feared.

D. People were afraid to take part in social activities during the height of the Spanish flu pandemic.