Answer:
B) storming
Explanation:
Based on the information provided within the question it seems that the group is in the storming stage of team development. Storming is the second stage in this concept and refers to when the group begins to speak their minds which leads to a power statuses being subtly assigned within the group. This also leads to the group members gaining trust with one another. Which is what is will happen in this situation as the team members disagree on ideas.