In poorer countries, measures to restrict cigarette advertising meet fierce opposition from ______.

A．All interaction between teachers and students is accomplished "online" through an Internet or intranet connection.
B．Learning at home.
C．A system of learning on your own by writing letters.
D．A learning system for college and university students.

A．In rich countries people are becoming more aware of the health risks of cigarettes and smokers are starting to quit.
B．More than half of the smokers in the world are in Asia.
C．More and more people in poorer countries are getting into the habit of smoking.
D．Despite years' cigarette advertising restrictions in rich countries, cigarette sales worldwide are ever increasing.