31.从“选课”表中检索成绩大于等于60且小于90的记录信息，正确的SQL命令是
(A)SELECT * FROM 选课 WHERE 成绩 BETWEEN 60 AN
(D)89
(B) SELECT * FROM 选课 WHERE 成绩 BETWEEN 60 TO 89
(C)SELECT * FROM 选课 WHERE 成绩 BETWEEN 60 AN
(D)90
(D) SELECT * FROM 选课 WHERE 成绩 BETWEEN 60 TO 90