【单选题】The selling concept assumes __________.
A.
consumers will favor products that offer quality, performance, and innovation
B.
a company has a social responsibility for the effects of its products
C.
if left alone, consumers will ordinarily not buy enough of the organization’s products
D.
being more effective than competitors in integrating marketing activities will lead to success
E.
consumers do not have to be compelled by promotions to buy what a company is selling