The view-point of the EPA is ______.

A．defining the Modernist attitude toward art
B．explaining how photography emerged as a fine art
C．explaining the attitude of serious contemporary photographers toward photography as art and placing those attitudes in their historical context
D．defining the various approaches that serious contemporary photographers take toward their art and assessing the value of each of those approaches

A．people forget how to use his legs
B．people prefer cars, buses and trains
C．lifts and escalators prevent people from walking
D．there are a lot of transportation devices