What he had done is _______
C
of+n=adj，可以作表语。ofnovalue：没有一点价值。value是名词，不能作表语，也不能形容主语的性质。B和D都是of+adj的结构，是错误的。
In 1950,one of the leading American writers( )was awarded the Nobel Prize for the anti-racist Intruder in the Dust.
TheFinancier,TheTitanandTheStoicbyTheodoreDreiserarecalledhis“Trilogyof().”
OppositionleaderswillbewatchingcarefullytoseehowthePrimeMinister________thecrisis.
Amongthefollowingwriters()isgenerallyregardedastheforerunnerofthe20th-century“stream-of-consciousness”novelsandthefounderofpsychologicalrealism.
Greatlyandpermanentlyaffectedbythe()experiences,Hemingwayformedhisownwritingstyle,togetherwithhisthemeandhero.