下面语句中，表示过虑条件是vend_id=1002或vend_id=1003的是( )
A.select * from products where vend_id=1002 or vend_id=1003
B.select * from products where vend_id in (1002,1003);
C.select * from products where vend_id not in (1004,1005);
D.select * from products where vend_id=1002 and vend_id=1003
