Now that photographic prints have become a popular field for collecting, auctions are becoming more (i)____________. It is not just the entry of new collectors into the field that is causing this intensification. Established collectors' interests are also becoming more (ii)____________. Those who once concentrated on the work of either the nineteenth-century pioneers or the twentieth-century modernists are now keen to have (iii)____________ collections. A. competitive B. fickle C. comprehensive D. tedious E. wide-ranging F. legitimate G. exclusive H. antiquarian I. impressive