对于学生信息表：student(sno，sname，sex，age，dept)，能够得到年龄在20～22岁之间的学生的姓名和学号的语句是( )。

A．SELECF 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 sname, sno FROM student WHERE age＜=22