Nobody knows how he was murdered，but________people behind the scenes can guess why.
A. a great deal of B. a good many
C. a good amount of D. a great many of
Nobody knows how he was murdered，but________people behind the scenes can guess why.
A. a great deal of B. a good many
C. a good amount of D. a great many of
【解析】选B。考查短语辨析。A、C项修饰不可数名词。a good many可修饰可数名词, a good many people很多人，合乎句意。a great many of后应跟the people表范围。