单选题
英语六级
2016-11-06
A．Many people have proposed theories about primary colors.
B．Goethe discovered the primary colors by accident.
C．Goethe probably developed the primary color theory before reading Runge's letter.
D．Goethe may have been influenced by Runge's ideas about primary colors.
参考答案
D
答案解析
暂无解析
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