Which of the Following Is True Regarding the Roles of Marketers

Which of the following is true regarding the roles of marketers and consumers in improving the macro-marketing system?

A) Marketing managers should not be expected to improve and extend the range of goods and services they make available.
B) The decisions that marketing managers make always increase the choices available to consumers.
C) Consumer-citizens have the responsibility to vote for laws that place constraints on businesses if those businesses harm the ecological system or make excessive demands on scarce resources.
D) Marketers and consumers should decide in advance what products will be produced so as not to waste scarce resources.
E) None of these statements is true.