根据下列材料，请回答下列各题 The folk song has long been recognized as animportant key to

the thoughts and feelings of a people, butthe dime novel, though ____ 62____by the collector and deferredto in a general way by the social historian, is ____ 63____witha smile of amusement by almost everyone else. Neither folk songs nor dime novels were____64 ____ created by theplain people of America. But in their ____ 65____to thesemodes of expression, the people made them their own.The dime novel,____ 66 ____as it was for the great massesand designed to fill the____ 67____of both author andpublisher, quite ____68____sought the largest number ofreaders, ____69 ____that were found to be popular andattitudes that____ 70____with the most general approval.Moreover, the dime novel, reflecting a much wider rangeof attitudes and ideas than the folk song, is the ____ 71____ thing we have had in this country to a tree proletarian(无产阶级的)_____ 72____, that is, a literature written for thegreat masses of people and actually read by them. Although a study of our dime novels ____ 73____cannotenable anyone to determinewhat are the ____74____ characteristics of the American tradition, it can____ 75____ materially to that end. Sooner or later, the industriousresearchers who have mined so many obscure lodes ofAmerican literary expression will almost certainly turntheir ____ 76____to these novels and all their kind. Let no onethink, ____77____, that the salmon-covered paperbacks onceso eagerly devoured by soldiers, trainmen, hired girls,and adolescent boys now____ 78____exciting or agreeablereading even for the historian,____ 79____as the social andhistorical implications may interest him. As for thecrowds today ____ 80____get their sensational thrills from themovies and the newspapers, I fear that they would findthese hair-raisers (恐怖小说)of an earlier agedeadly ____ 81 ____

A. investigated

B. examined

C. inspected

D. sought