为自己加油

删除表 student 中班级(c1ass) 为 A 班且年龄(age) 在 15 到 20 岁之间的记录，下列语句正确的是?

A.delete from student where class = ‘A’ and age between 15 and 20;
B.delete from student where class = ‘A’ and age in (15,20);
C.delete student where class = ‘A’ and age in (15,20);
D.delete student where class = ‘A’ and age between 15 and 20;