Which One of the Following Is a Major Difference Between

Which one of the following is a major difference between market and collective action through government?

A) Individuals are motivated by personal interests when making market choices, but they will be motivated primarily by the public interest when making collective choices.
B) Competitive behavior is present when decisions are made in the marketplace, but competition is absent when choices are made collectively.
C) Scarcity constrains output when decisions are made in the market sector, but scarcity is absent when goods are provided by the government.
D) In the market sector, there is generally a one-to-one link between payment and consumption; this link is often absent in the government sector.