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