In Group Situations, an Assertive Person Is Effective Because He

In group situations, an assertive person is effective because he or she:

A) is able to efficiently override opposing viewpoints.
B) can easily make decisions because he or she holds opinions of others in little regard.
C) facilitates effective interaction because he or she intensifies a similar behavior.
D) is open and self-expressive and encourages others to be more assertive.