Refer to the figure below. Let εX denote the price elasticity of demand at point X. Which of the following describes the relationship between εA, εB and εC?
A.εB> εC> εA
B.εA> εB> εC
C.εA> εC> εB
D.εC> εB> εA
正确答案：εA> εC> εB
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