Which of the Following Is the Best Good Definition of Openness

Which of the following is the best good definition of openness?

A) The offering of your materials and resources to others in order to help them
Move the group towards goal accomplishment
B) The sharing of information, ideas, thoughts, feelings, and reactions to
The issue the group is pursuing
C) The willingness to respond to another person's risk-taking in a way that
Ensures that the other person will experience beneficial consequences
D) The willingness to risk beneficial or harmful consequences by making oneself
Vulnerable to other group members