Which of the following completes the statement,'Devices will be contextually,socially,and network aware and be able to dynamically create social connections between each other and connected people in order to offer services to each other and to jointly solve problems.In other words,social media will eventually serve to support ______'.?

A) Web 3.0.
B) Data mining.
C) Social intelligence.
D) Collective intelligence.
E) None of these.