One Reason for the Success That Firms Have in Getting

One reason for the success that firms have in getting the government to erect barriers to foreign competition is that jobs lost to foreign competition are easy to identify but jobs created by foreign trade are often hard to identify. Which of the following is a second reason?

A) People who benefit from foreign trade tend not to vote in elections; people who are harmed by foreign trade are much more likely to vote.
B) The benefits from free trade are less than the costs.
C) The costs that tariffs and quotas impose on consumers are large in total but relatively small per person.
D) Firms that benefit from trade barriers have more money than firms that are harmed to lobby government officials to support the barriers.