$1.$ After his promotion from a software developer to a team leader, Marcus finds his role evolving. Which of the following is a significant aspect of this shift?

A$)$ Focusing more on individual achievements to set an example for his team.

B$)$ Balancing his time equally between coding and administrative tasks.

C$)$ Prioritizing team development and performance over individual technical tasks.

D$)$ Reducing direct communication with the team to focus on strategic planning.