Which of the following is punctuated correctly?
A) You can spend hours driving all over town to look for a particular type
of camera, or you can telephone a few stores to find it quickly.
B) Before he led Confederate troops in the Civil War, General Robert E.
Lee had fought in the Mexican War, and had been superintendent at
West Point.
C) Orangutans are ideally suited for living in trees and they rarely climb
down to the ground.