Which of the following are valid SoapClient calls?

Which of the following are valid SoapClient calls? (Choose 2)

A.
$client = new SoapClient(“weather.wsdl”);

B.
$client = new SoapClient;

C.
$client = new SoapClient(null, array(“location” =>
“http://example.com/weather”, “uri” => “http://test-uri.com/”));

D.
$client = new SoapClient(null, array());