Correct option is D
Skills refer to the ability to perform tasks with proficiency, often developed through practice, learning, and experience. The terms "practice," "learning," and "proficiency" all directly relate to the development and enhancement of skills. However, incapacity refers to a lack of ability or competence, which is the opposite of skill development.
Practice: Consistent repetition of an activity or task to develop or improve a skill.
Learning: Acquiring knowledge or skills through study, experience, or teaching.
Proficiency: The level of skill or expertise achieved after considerable learning and practice.
Incapacity: Refers to a lack of ability, competence, or capacity, making it the opposite of the concept of skill.