对角色student_role授权,其权限是对数据库libinfo中图书信息表book_info具有查询权限,则该授权语句是()
A. grant select on student_role to libinfo.book_info;
B. grant all on student_role to libinfo.book_info;
C. grant update on student_role to libinfo.book_info;
D. grant select on libinfo.book_info to student_role;