单项选择题Approximately what percent of textile imports in 1991 came from cotton（）
A．18% B．25% C．28% D．35% E． 40%
单项选择题What was the approximate average yearly increase in the cost of wool from 1996 to 2000, inclusive（）
A．$1,250 B．$2,000 C．$3,300 D．$5,000 E．$10,000
