Admirers of Leon Moisseiff's Tacoma Narrows Bridge praised its ribbon-thin deck as the purest expression of modern American engineering, but the designer's (i) ______ with steel (ii) ______ the deck of the stiffness a long span requires; in even moderate winds the structure proved so (iii) ______ that motorists nicknamed it Galloping Gertie and drove across it for the thrill, and barely four months after opening it twisted itself apart.

Blank (i)	Blank (ii)	Blank (iii)
A. virtuosity	D. absolved	G. labile
B. profligacy	E. disabused	H. ponderous
C. parsimony	F. divested	I. austere