There are more people who are obese today than 20 years ago.
【正确答案】 C
【答案解析】解析:形容词辨析。obese肥胖的,极胖的。gainfully employed有报酬工作的。upwardly mobile能向较高的经济地位和社会地位流动的:upwardly mobile young executive,能升迁的年轻行政人员。privately educated受过私人教育的。