TRENDS IN WORLD TRADE COMPREHENSIONFour trends in the past decade have significantly influenced the landscape of global marketing. One of them is
选项：

A: an increase in most countries’ GDPs coupled with an increased degree of consumer Ethnocentrism.
B: a significant increase in economic protectionism and a decline in free trade.
C: a more aggressive attitude toward initiating international tariffs and quota systems.
D: a decrease in most countries’ GDPs and a renewal of nationalism.
E: a decline in economic protectionism by individual countries.