The Idea That Technological Innovation Has Temporarily Dried Up Rests

The idea that technological innovation has temporarily dried up rests on the argument that

A) greater competition from foreign countries has reduced the capital firms have to invest in research and development.
B) government support of research and development has fallen, reducing the amount of technological innovation that occurs.
C) the backlog of technological opportunities not exploited during the Great Depression and World War II has largely been used up.
D) government "red tape" has prevented many innovations from coming to market.