<p>The correct answer is <strong>(D) turnover</strong>.</p>
<p>The sentence states that the "people-friendly work culture in the company keeps the ______ very low." This suggests that the missing word should refer to the rate at which employees leave the company.</p>
<p>Option (A) "employees" refers to the individuals working in the company, but it does not directly address the rate at which they leave.</p>
<p>Option (B) "inventory" refers to the goods or products that a company holds for sale, which is unrelated to the rate of employee turnover.</p>
<p>Option (C) "assets" refers to the valuable resources owned by a company, such as property or equipment, but it does not relate to the rate at which employees leave.</p>
<p>Option (D) "turnover" refers to the rate at which employees leave a company and are replaced by new employees. This is the most appropriate word to complete the sentence, as it aligns with the information given in the sentence.</p>