What the science teacher does and says of great importance to college students.A. wasB. a

发布时间：2020-08-16 15:43:30

What the science teacher does and says      of great importance to college students. 
A. was
B. are
C. is
D. were

网友回答

A. was
B. are
(答案→)C. is
D. were
解析：考查主谓一致。名词性从句中主语从句做主语时，谓语动词用单数，句意：科学老师所做的和所说的对大学生来说非常重要。所以选C。
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