Samson Has Seen Cell Phones Advertised as 1G, 2G, 3G

Samson has seen cell phones advertised as 1G, 2G, 3G and 4G. He knows the "G" stands for generation, but does some research to find out more.
-Samson concludes his report by talking about the 3G and 4G cell phones. He notes that the 4G phone expects to offer ____.

A) very high-speed access
B) anywhere, anytime access
C) connections to anything digital
D) all of the above