In the Following Code, What Does GetDocumentBase()return

Multiple Choice

In the following code, what does getDocumentBase() return?
Play(getDocumentBase() , "mysound.wav") ;

A) A URL object containing the location of the applet's .class file
B) A URL object containing the location of the HTML file that invoked the applet
C) The HTML location "mysound.wav"
D) The sound file itself