What he had done is _______
A、valueC
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。
ItwashismasterpieceTheGreatGatsbythatmade()oneofthegreatestAmericannovelists.
“MylastDuchess”isapoemthatbestexemplifiesRobertBrowning’s().
Thistypeofdeskandchaircanbeadjusted________theheightofstudentsatdifferentages
In1950,()wasawardedtheNobelPrizefortheanti-racistIntruderintheDust.
RobertFrostisgenerallyconsideredaregionalpoetwhosesubjectmattersmainlyfocusonthelandscapeandpeoplein().
