对于学生信息表:student(sno, sname, sex, age, dept),能够得到年龄在20岁于22岁之间的学生的姓名和学号的语句是 A.SELECT * FROM student WHERE age BETWEEN 20 AND 22
B.SELECT sname, sno FROM student WHERE age BETWEEN 20 AND 22 C.SELECT sname,sno FROM student WHERE age>=20 D.SELECT shame,sno FROM student WHERE age<=22