单项选择题
A.ResearchPurpose,ResearchGap,ResearchQuestion B.ResearchGap,ResearchPurpose,ResearchInterest C.ResearchPurpose,ResearchQuestion,ThesisStatement D.ResearchPurpose,ResearchGap,ThesisStatement
A.温故 B.实践 C.研究
A.No,and B.No,but C.Yes,and D.Yes,but