Which of the following sets the entire Activity window as a WebView?

Which of the following sets the entire Activity window as a WebView?

A.
WebView webview = new WebView(this);
webview.setAsWindow;

B.
setContentView(R.layout.webview);

C.
WebView webview = new WebView(this);
setContentView(webview);

D.
setContentView(“http://www.androidatc.com”);