The scientist did ＿＿ experiments to test the new drug.
A. a series of
B. a good many of
C. a great many
D. a lots of
网友回答
A. a series of
B. a good many of
(答案→)C. a great many
D. a lots of
解析：短语辨析。 A. 一系列的 B. 很多 C.很多；许多 D. a lots of说法有误，前面不要冠词。a good many of后加可数名词的复数或代词的宾格，指“…中的许多/很多东西”。句意：这位科学家做了大量实验来测试这种新药。故选C。