Every year, energy is spent on environment protection.
A. large quantities of
B. a good many
C. a great deal of
D. a plenty of
网友回答
A. large quantities of
B. a good many
(答案→)C. a great deal of
D. a plenty of
解析：考查短语辨析。large quantities of+名词复数或不可数名词，谓语都用复数形式，根据is可排除A；a good many+可数名词复数，energy不可数，排除B；a great deal of+不可数名词，plenty of+不可数名词或可数名词复数，前面不加a，排除D。故选C。