Starting in the late 1950's, French film critics, bored with traditional French cinema, decided to put their ideas to the test by producing a different style of films. This movement was called .

Explanation:

New wave was the french film movement that emerged in the late 1950s.  It rejected the traditional film making and supported spirit of iconoclasm and experimentation.  

New wave  film makers explores new visual style, ways of editing  and visual style. It is  considered to be one of the most influential movements in history of cinema.  The new age filmmakers used to use  portable equipment that required little setup. Long takes, discontinuous and fragmented editing were new age filming techniques.

d is the best answer for this question.

a drastic rise in oil prices ended decades of postwar.