Why might a letter-writing campaign get a company to change its business practices?
A. The company might fear that the letter-writing campaign will
become a boycott if it doesn't respond.
B. The government wants to keep both consumers and companies
from burdening the postal system.
C. Consumers use letter-writing campaigns to get the government to
pass favorable legislation.
D. The company could end up spending a lot of money answering all
of the letters.