In a questionnaire entitled “A Survey on the Third Year English Majors’ English Vocabulary in XX University”, the “the third year English majors” should be：

In a questionnaire entitled “A Survey on the Third Year English Majors’ English Vocabulary in XX University”, the “the third year English majors” should be：
A.The subject of the survey
B.The mode of the survey
C.The time of the survey
D.The content of the survey
正确答案：A