给名字为wangsan的用户授予对数据库studb中的stuinfo表的查询和插入数据权限的语句是
A. GRANT SELECT, INSERT on studb.stuinfo FOR 'wangsan'@'localhost';
B. GRANT SELECT, INSERT on studb.stuinfo TO 'wangsan'@'localhost';
C. GRANT 'wangsan'@'localhost' TO SELECT, INSERT FOR studb.stuinfo;
D. GRANT 'wangsan'@'localhost' TO studb.stuinfo ON SELECT, INSERT;