John is an experienced software developer who recently transitioned to a senior role that involves leading a team of developers and overseeing large$-$scale projects. His new responsibilities include strategic planning, budget management, and interdepartmental communication. Although John excels in software development and enjoys solving complex technical problems, he struggles with the administrative and managerial $$spects of his new role.

Given the scenario, which of the following actions would best address the mismatch between John's abilities and the demands of his new role?

A$.$ Encourage John to seek external mentorship from experienced leaders to gain insights and strategies for managing his new responsibilities.

B$.$ Reassign John to a purely technical role where he can focus solely on software development without managerial responsibilities.

C$.$ Provide John with formal training and development programs focused on leadership, project management, and communication skills.

D$.$ Increase the support staff available to John to handle administrative tasks and reduce his workload.