Which of the Following Trade Policy Results Would Be Most

Which of the following trade policy results would be most expected,given the logic of collective action?

A) Factory workers successfully lobbying for lower tariffs on imported automobiles.
B) Agricultural workers successfully lobbying for lower tariffs on imported wheat.
C) Consumers successfully lobbying for higher tariffs on imported corn.
D) Consumers successfully lobbying for lower tariffs on imported televisions.
E) Automobile manufacturers successfully lobbying for higher tariffs on imported automobiles.