The most important thing about cotton in history is part that it played in Industrial Revolution.
A. 不填;不填
B. the; 不填
C. the; the
D. a; the
网友回答
A. 不填;不填
B. the; 不填
(答案→)C. the; the
D. a; the
解析:part是先行词被定语从句修饰,是特指;后一空是由普通名词构成的专有名词,特指18世纪后半叶英国工业革命,故两空都选定冠词。