题目选项分析

According to the Economic Development Corporation of Los Angeles County,if the Los Angeles metropolitan area were a separate nation, it would have the world's eleventh largest gross national product, bigger than that of Australia, Mexico, or the Netherlands.

According to the Economic Development Corporation of Los Angeles County,were the Los Angeles metropolitan area a separate nation, it will have the world's eleventh largest gross national product, which is bigger than that of Australia, Mexico, or the Netherlands.