Answer:
The correct answer is letter "B": involves businesses in related areas.
Explanation:
The M-Form Design or Multidivisional Design is a corporate structure in which large institutions are broken down to separate units with relative independence that report the results of their operations to the headquarters. The M-Form Design as an approach of related diversification.
Conglomerates typically use this type of design combining different brands in the structure and the advantages of economies of scale -producing at a larger scale with lower material costs.