In class the teacher the finance project in simple but vivid language to make it easier for us to understand.
A. undertook
B. clarified
C. approved
D. submitted
网友回答
A. undertook
(答案→)B. clarified
C. approved
D. submitted
解析：A. undertook承诺，承担，B. clarified澄清；阐明；使清楚，C. approved同意，批准，D. submitted提交，屈从，句意：在课堂上老师用简单但是生动的语言解释财政项目，为了能让学生更好的理解。选B。