Developing Countries Often Complain That Developed Countries

Developing countries often complain that developed countries:

A) set higher tariffs on manufactured products imported from developing countries than they do on products which come mainly from other industrialized countries.
B) restrict imports from developed countries and promote cheap imports from developing countries.
C) trade too much with developing countries.
D) generally set lower tariffs on manufactured products imported from developing countries than they do on products which come mainly from other industrialized countries.