Which sentence contains an error in the use of parentheses?

AIt's easy to prepare for a natural disaster. (See the box below for a list of what you'll need.)

BHe thought that rodents (mice, squirrels, etc.) were to blame for the damage.

CA thorough explanation of the process is given in the report. (See pages 5-11)

DEleven southern states seceded from the United States and set up the Confederacy (1861-1865).