‍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( )。​
选项：

A:Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
B:Create View ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 from Course
C:Create Proc ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course
D:Create Index ShiTu As Select Cno,Cname ,Ccredit ,Ccredit *16 as iXueshi from Course