Answer:
B) A work group interacts primarily to share information, rather than to engage in work that requires joint effort.
Explanation:
The work group is formed to share information, and help individuals present in the group take decisions, in their respective matters or areas where they are held responsible.
It is characterized by various factors, like the neutral synergy present in individuals, their accountability as towards their work, and the skills present in various individuals.
Thus, statement B define work group properly.