What is emphasized in Cage's most famous composition, 4'33"?

Which of the following is a sequence of images dramatically connected but physically disconnected?

A. cut-in B. montage C. wipe D. graphic match

The melodic phrases of many North American Indian cultures generally:

A. begin on a relatively high pitch and descend, much in the manner typical of speech. B. contain narrow melodic intervals, with few wide leaps. C. do not conform to scale patterns of Western classical music. D. all of the above