单项选择题
In 1988 there were 40,000,000 public school students in the United States, of whom 22% lived in the West. Approximately, how many public school students are projected to be living in the West in 2008
A． 9,000,000
B． 12,000,000
C． 15,000,000
D． 24,000,000
E． 66,000,000
B． 12,000,000
C． 15,000,000
D． 24,000,000
E． 66,000,000