A．they care about the possible reaction to their work.
B．public response is one of the primary concerns,
C．they are keenly aware of public interest in their work.
D．they are indifferent toward response to their work.

A．Individual contributions combined possess great significance to the public.
B．Good contributors don't neglect the use of internal communication system.
C．Everyone except those original people comes under the influence of society.
D．Knowing how to communicate is universal among human beings.

A．fail to acknowledge and use an acceptable form of communication.
B．actually differ from other individuals in the same period.  
C．have little in common with the society of the time.
D．refuse to admit parallels between themselves and tbe society.