Answer:
The correct answer is letter "B": are deliberate and use many informal social contacts.
Explanation:
Sociologist and Professor E.M. Rogers (1931-2004) proposed The Diffusion of Innovations Theory which is a concept that relates several consumers' factors with the time they take to adopt technological innovation. Those influential factors are individuals' opinions and the rate at which they can interact with the innovation. According to the theory, consumers can be classified into five (5) groups: