Which of the Following Is One of the Reasons Offered

Which of the following is one of the reasons offered to explain the high levels of carbon dioxide emissions in developed countries like the U.S.?

A) Richer societies are more energy intensive and use carbon dioxide rich hydrocarbons extensively.
B) Developed countries tend to be more densely populated than other countries and hence reflect higher carbon dioxide emissions.
C) Companies in developed countries are less likely to take up social responsibility initiatives than those in developing countries.
D) Developed countries generally have environmental pollution regulations less stringent than those in developing countries.