单选题
As physical exercise declines and diet expands, ________.
A、
other western countries has been defeated by fat
B、
obesity has become an epidemic (流行病) of the rich world
C、
waistbands begin to be popular in other western countries
D、
western countries can no longer fight against obesity
【正确答案】
B
【答案解析】
[定位] 第1段倒数第二句。
[解析] 本题同样需要正确理解借代修饰手法。Waistbands have been popping形象刻画出其他西方社会急剧肥胖化的过程，故答案为B。
[点睛] 本题很明显是考查因果关系的，第1段倒数第二句明确指出这个因果关系，只要根据该句做出选择就可以了。如果看得过远，反而有可能误选A或D。
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