Which sentence contains an error in the use of parentheses?
a. It's easy to prepare for a natural disaster. (See the box below for a list of what you'll need.)
b. He thought that rodents (mice, squirrels, etc.) were to blame for the damage.
c. A thorough explanation of the process is given in the report. (See pages 5-11)
d. Eleven southern states seceded from the United States and set up the Confederacy (1861-1865).