有关JDBC说法正确的是

有关JDBC说法正确的是
A  Connection con = new Connection(url,user,password);
B Connection con = DriverManager.getConnection(url,user,password);
C  Connection con = Class.forName(url,user,password);
D  Connection con = new Connection.getConnection(url,user,password);

conn=DriverManager.getConnection(URL,"root","123123");
选B