Final answer:
Practicing regularly makes one proficient at playing an instrument, indicating advanced skills and competence.
Step-by-step explanation:
Practicing often increases the chances of becoming proficient at playing your instrument. The correct answer is b) Proficient. When you practice an activity regularly, you improve your skills and become more adept and skilled in performing that activity. In the context of playing a musical instrument, proficiency means having advanced skills and being able to play the instrument with competence and expertise. Regular practice enhances your familiarity with the instrument, improves your technique, and can lead to a higher level of performance.