Although the official United States poverty rate measure is now by and large taken for granted, having become widely regarded with the passage of time as the most (i)____________ method of calibrating the prevalence of material deprivation in American society, the measure was originally an (ii)____________ and in practical terms appears to be a (iii)____________ descriptor of poverty trends in modern America. For one thing, its results do not track well with other indicators that bear directly on living conditions across the nation. A. subjective B. ad hoc improvisation C. conspicuous D. natural E. enormous success F. judicious G. tortuous H. obvious benchmark I. problematic