According to functionalist theorists kingsley davis and wilbert e. moore, stratification is necessary to ensure that: a. important positions are filled by the most qualified people b. profit is maximized in a capitalist society c. equality of opportunity exists for all people d. all individuals are able to use their creative talents

a. important positions are filled by the most qualified people

Explanation:

The functionalist theorists Kingsley Davis and Wilbert E. Moore wrote their theory of stratification in a paper published in 1945. It is called Davis–Moore theory and refers to a society’s categorization based on socioeconomic strata. Today it would be defined as social classes (upper, middle and lower classes). So, it makes sense the answer is letter "a" because stratification is about grouping people within a category be it social, geographical, economics or level of education.

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