C. A great many of
辨析：
plenty of很多;大量,修飾可數(shù)、不可數(shù)名詞都行.
There were plenty of eggs in the house.家里有許多雞蛋.
a good many 只修飾可數(shù)名詞,后面跟復數(shù)形式
a great deal of修飾不可數(shù)名詞
many a 意思是“很多”,但后面要跟可數(shù)名詞單數(shù),是個固定搭配,
如： many a student很多學生
a good many 修飾可數(shù)名詞
a great amount of, a great deal of 修飾不可數(shù)名詞都表示“很多,大量”,good 和 great 可以互換,
如：a good deal of, a great many.
I hope I have a great amount of money and a good many knowledges.