Given how (i)____________ the shortcomings of the standard economic model are in its portrayal of human behavior, the failure of many economists to respond to them is astonishing. They continue to fill the journals with yet more proofs of yet more (ii)____________ theorems. Others, by contrast, accept the criticisms as a challenge, seeking to expand the basic models to embrace a wider range of things people do. A. overlooked B. comprehensive C. occasional D. improbable E. patent F. pervasive