In team talks, when captains use language that emphasizes a sense of $\text{'}$us$\text{'},$ 'our team', and $\text{'}$we$\text{'}($when compared to the opposition in terms of 'them', 'the opposition', and so forth$),$ those captains could be described as developing:

A$)$ transactional leadership among their teammates.

B$)$ a task$-$involving motivational climate

C$)$ mind games.

D$)$ social identity among their teammates.