[单选题]对Course表,使用课程号,课程名,学分,及额外增加的iXueshi字段创建视图,学时为学分乘以16,正确的SQL语句是()。得分/总分A.CreateProcShiTuAsSelectCno,Cname,Ccredit,Ccredit*16asiXueshifromCourseB.CreateIndexShiTuAsSelectCno,Cname,Ccredit,Ccredit*16asiXueshifromCourseC.CreateViewShiTuAsSelectCno,Cname,Ccredit,Ccredit*16asiXueshifromCourseD.CreateViewShiTuAsSelectCno,Cname,Ccredit,Ccredit*16fromCourse