向表中name字段添加值为youjun,grade字段值为55,的正确SQL语句是() (多选)
A. INSERT INTO student(name, grade)VALUES('youjun', 55);
B. INSERT INTO student(grade,name)VALUES(55,'youjun');
C. INSERT INTO student(‘grade’,’name’)VALUES(55,'youjun');
D. INSERT INTO student(grade,’name’)VALUES(55,”youjun”);