Read this excerpt from Fever 1793.

Grandfather banged his cane on the floor.

"I didn’t run from the redcoats, and I won’t run from a dockside miasma. What is wrong with people, Andrew? We suffered all kinds of disease in our youth, but folks were sensible. They didn't squall like children and hide in the woods."

Mr. Carris cleared his throat.

"If the yellow fever were a soldier, you’d run it through with your famous sword and sit down to a hearty dinner. But there may be cause for caution, old friend. Listen to the mayor’s orders which Andrew has just printed."

In this excerpt, the author uses Grandfather’s and Mr. Carris’s thoughts to

A. show that both characters live in fear of the future.
B. emphasize Grandfather’s bravery compared to others’.
C. demonstrate that Grandfather is prepared with a plan to protect himself.
D. reveal that Mr. Carris fears Grandfather and wants his respect.