28.以下 SQL 语句正确的有____
选项：

A:SELECT cust_name FROM Customers WHERE cust_state IN ('IL','IN','MI') UNION SELECT cust_name FROM Customers WHERE cust_name = 'Fun4All';
B:SELECT cust_name FROM Customers WHERE cust_state IN ('IL','IN','MI') UNION SELECT cust_contact FROM Customers WHERE cust_name = 'Fun4All';
C:SELECT * FROM Customers WHERE cust_state IN ('IL','IN','MI') UNION SELECT * FROM Customers WHERE cust_name = 'Fun4All';
D:SELECT * FROM Customers WHERE cust_state IN ('IL','IN','MI') UNION SELECT cust_name FROM Customers WHERE cust_name ='Fun4All';