According to Hilmes, all of the following evidence complicates the narrative of media decline in age of conglomeration EXCEPT:
a. Compared to 30 years ago there are simply many more channel options for viewers
b. The globalization of television has led to formats that do not respond to specific national cultures
c. Compared to 20 years ago there are a greater number of noncommercial radio stations on the air
d. Despite criticisms of bias in the news, there are many more news outlets available to viewers