Effective communication, teamwork, and decision-making are all crucial leadership skills for career advancement. Each skill contributes to a leader's ability to guide teams and make informed choices. Therefore, the correct answer is 'All of the above.' ;
The key leadership skills required for advancement are communication, teamwork, and decision-making. Each skill is vital for guiding teams and making informed choices. Therefore, the correct answer is 'D. All of the above.'
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