What is the role of people in the process of development? can someone answer this

Human resourse development plays an important role in the area of business. This helps to improve the quality of the workers that are involved in the business. It involves developing the learning, knowledge skills and ability of the worker. It increases the inter-personal relationship between an organization and its employees. Any organization that develops comfortability among the employees will see an increase in their profit phase and development

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d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

answer; membership group;