单选题 SW Company
1998 1999 2000
Sales: 2 million 4 million 5 million
Profits: $2 million $2.5 million $3 million
Workers: 12,200 $12,000 $12,500

【正确答案】 C
【答案解析】由图知,工人工资与利润并不是正比例关系,故 B错;图中并未涉及货物的销量,A错。